Total Questions90
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Physics

1. If $L$ and $R$ denote inductance and resistance respectively, which of the following has the dimension of frequency?

Physics

2. By how much must the temperature of air near $0^\circ\text{C}$ be changed to cause the speed of sound changes by $1\%$?

Physics

3. A car drives along straight level friction less road by an engine delivering constant power. Then the velocity is directly proportional to:

Physics

4. If the gas is heated at constant pressure, its isothermal compressibility:

Physics

5. An aeroplane is above the head of an observer and the sound appears to be coming at an angle of $60^\circ$ with vertical. If the velocity of sound is $v$, then the speed of aeroplane is:

Physics

6. A balloon of mass $M$ is descending down with an acceleration ($a < g$). What mass '$m$' be detached from it so that it starts moving up with an acceleration $a$?

Physics

7. Moment of inertia of a disc about its own axis is '$I$'. It's moment of inertia about a tangential axis in its plane is:

Physics

8. Equal charges are given to two conducting spheres of different radii. The potential will be:

Physics

9. If a $30\text{V}, 90\text{W}$ bulb is to be worked on $120\text{V}$ line, a resistance of how many ohms should be connected in series with the bulb?

Physics

10. What will happen to the weight of the body at the south pole, if the earth stops rotating about its polar axis?

Physics

11. The rise of liquid in a capillary tube has meniscus. If the angle of contact is $90^\circ$, then the shape of meniscus is:

Physics

12. A wire of length $2\text{m}$ curries current $1\text{ Ampere}$ is bend to form a circle. The magnetic moment of coil is:

Physics

13. An air bubble in a glass slab ($\mu = 1.5$) from one side is $6\text{cm}$ and from other side is $4\text{cm}$. The thickness of glass slab will be:

Physics

14. The kinetic energy '$k$' of particle moving in a straight line depends on the distance '$s$' as $k = as^2$. The force acting on the particle will be:

Physics

15. The sensitivity of eye varies with wave length of light with ordinary intensity in the:

Physics

16. How much current will flow in a circuit having resistance of $109\ \Omega$ and inductance of $0.5\text{ H}$ connected to AC. Supply of $100\text{V}$ and $50\text{Hz}$ in series?

Physics

17. In a pressure cooker, cooking is faster because the increase in vapour pressure:

Physics

18. When two semiconductors of P and N-type are brought in contact, they form a P-N Junction which acts like a:

Physics

19. Three fourth of active nuclei present in a radioactive sample decay in $3/4\text{ sec}$. The half life of the sample is:

Physics

20. A Carnot engine whose sink is at $k$ has an efficiency of $40\%$. By how much should the temperature of source be increased so as to increase its efficiency to $50\%$ of its original efficiency?

Physics

21. The wavelength of characteristic x-rays emitted by an element is $0.32\text{ \AA}$. The wavelength of $\mathrm{K_\beta}$-line emitted by the same element will be:

Physics

22. In Young's double slit experiment, the intensity on screen of a point where path difference is $\lambda$ is '$k$', what will be intensity at a point where path different is $\lambda/4$ ?

Physics

23. A particle of mass $5\text{kg}$ in moving with uniform speed $v = 3\sqrt{2}\text{ m/sec}$ in XOY plane along the line $Y = x + 4$. The magnitude of angular momentum of the particle about the origin is:

Physics

24. A lift is ascending with an acceleration equal to $g/3$. What will be the time period of a simple pendulum suspended from its celling if its time period in stationary lift is '$T$'?

Physics

25. A thin convergent glass lens $\mu_g = 1.5$ has a power of $+5\text{D}$. When this lens is immersed in liquid of RI $\mu$, it acts as divergent lens of focal length $100\text{ cm}$. The value of $\mu$ must be:

Physics

26. A circular loop of area $0.02\text{ m}^2$ carrying current of $10\text{A}$, is held with its plane perpendicular to magnetic field induction $0.2\text{T}$. The torque acting on the loop is:

Physics

27. An ammeter and voltmeter are joined in series to a cell. Their readings are A and V respectively. If a resistance is now joined in parallel with voltmeter, then:

Physics

28. Two capacitors of $2\mu\text{F}$ and $4\mu\text{F}$ are connected in parallel. A third capacitor of $6\mu\text{F}$ is connected in series. The combination is connected across a $12\text{V}$ battery. The voltage across $2\mu\text{F}$ capacitor is:

Physics

29. A short circuited coil is placed in a time varying magnetic field. Electrical power is dissipated due to the current induced in the coil. If the number of turns were to be quadrupled and wire radius halved, electrical power dissipated would be:

Physics

30. Light of frequency $1.5\text{ times}$ the threshold frequency is incident an photo sensitive material. If incident frequency is halved and intensity is doubled, the photo electric current becomes:

Chemistry

31. Three elements A, B and C has oxidation number of $+1$, $+5$ and $-2$ respectively. The possible formula of compound is:

Chemistry

32. The ratio of number of atoms present in identical gas jars at same temperature and pressure filled with neon gas, chlorine gas, ozone gas and phosphorus vapour is:

Chemistry

33. The total number of protons in $10\text{gm}$ of calcium carbonate is:

Chemistry

34. The central atom does not assume $\mathrm{Sp^2}$ hybridization in:

Chemistry

35. The packing fraction for body -- centred cube is:

Chemistry

36. In which of the following process, the process is always non-feasible?

Chemistry

37. The quantity of electricity required for the oxidation of 1 mole of $\mathrm{FeO}$ to $\mathrm{Fe_2O_3}$ is:

Chemistry

38. In the redox reaction, $2\mathrm{Hg} + \mathrm{O_3} \longrightarrow \mathrm{Hg_2O} + \mathrm{O_2}$ the equivalent weight of ozone is:

Chemistry

39. The movement of dispersion medium under the influence of electric field is:

Chemistry

40. A chemical reaction was carried out at $300\text{ K}$ and $280\text{ K}$. The rate constant were found to be $\mathrm{K_1}$ and $\mathrm{K_2}$ respectively. Then:

Chemistry

41. Which of these have least boiling point?

Chemistry

42. When a strong beam of light is passed through a colloidal solution, the light will:

Chemistry

43. The $\mathrm{pKa}$ of a weak acid is 4.8. What should be the ratio of $[\mathrm{Acid}]/[\mathrm{salt}]$ of a buffer if $\mathrm{pH} = 5.8$ is required?

Chemistry

44. The purification of Titanium metal using $\mathrm{I_2}$ by forming volatile $\mathrm{TiI_4}$ is called:

Chemistry

45. The drying agent which absorbs $\mathrm{CO_2}$ and reacts violently with water is:

Chemistry

46. The hydrolysis of aluminium carbide produces:

Chemistry

47. Which of the following is diamagnetic?

Chemistry

48. Which of the following gives purest form of nitrogen?

Chemistry

49. Carbon suboxide is anhydride of:

Chemistry

50. The molecular formula of borazole is:

Chemistry

51. Cassiterite is an ore of:

Chemistry

52. Ziegler-Natta catalyst is an organometallic compound of the metal:

Chemistry

53. Stereoisomers which are not mirror images of each other are:

Chemistry

54. When phenol is treated with $\mathrm{CHCl_3}$ and $\mathrm{NaOH}$, the product formed is:

Chemistry

55. Acetone on distillation with conc. $\mathrm{H_2SO_4}$ gives:

Chemistry

56. Which of the following reduces Fehling's solution?

Chemistry

57. Nitrobenzene on reduction with $\mathrm{Zn}$ in $\mathrm{NH_4Cl}$ forms:

Chemistry

58. When primary amine reacts with chloroform in ethanolic $\mathrm{KOH}$, then the product is:

Chemistry

59. The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with $N,N$-dimethyl aniline is:

Chemistry

60. The helical structure of protein is stabilized by:

English
Reading Passage:

It was clear that to climb Annapurna the right men had to be sufficiently high up on the mountain to make their attempt on the peak while still fresh and strong. To ensure that, a chain of high camps must be established and the greater part of the work done by the Sherpas, so that the mountaineers would not tire themselves before they were in a position to attack the peak. Like all other expeditions to the Himalayas, the Frenchmen were to realize the value of the hardy mountain people, without whom they would soon find themselves too helpless to achieve their goal.

61. To make the final attempt to climb Annapurna, the work that was to be done first was:

English
Reading Passage:

It was clear that to climb Annapurna the right men had to be sufficiently high up on the mountain to make their attempt on the peak while still fresh and strong. To ensure that, a chain of high camps must be established and the greater part of the work done by the Sherpas, so that the mountaineers would not tire themselves before they were in a position to attack the peak. Like all other expeditions to the Himalayas, the Frenchmen were to realize the value of the hardy mountain people, without whom they would soon find themselves too helpless to achieve their goal.

62. Annapurna must be the name of:

English
Reading Passage:

It was clear that to climb Annapurna the right men had to be sufficiently high up on the mountain to make their attempt on the peak while still fresh and strong. To ensure that, a chain of high camps must be established and the greater part of the work done by the Sherpas, so that the mountaineers would not tire themselves before they were in a position to attack the peak. Like all other expeditions to the Himalayas, the Frenchmen were to realize the value of the hardy mountain people, without whom they would soon find themselves too helpless to achieve their goal.

63. In the given context, the expression 'to attack the peak' means:

English
Reading Passage:

It was clear that to climb Annapurna the right men had to be sufficiently high up on the mountain to make their attempt on the peak while still fresh and strong. To ensure that, a chain of high camps must be established and the greater part of the work done by the Sherpas, so that the mountaineers would not tire themselves before they were in a position to attack the peak. Like all other expeditions to the Himalayas, the Frenchmen were to realize the value of the hardy mountain people, without whom they would soon find themselves too helpless to achieve their goal.

64. The work of establishing a chain of high camps had to be mainly done by the Sherpas because:

English
Reading Passage:

It was clear that to climb Annapurna the right men had to be sufficiently high up on the mountain to make their attempt on the peak while still fresh and strong. To ensure that, a chain of high camps must be established and the greater part of the work done by the Sherpas, so that the mountaineers would not tire themselves before they were in a position to attack the peak. Like all other expeditions to the Himalayas, the Frenchmen were to realize the value of the hardy mountain people, without whom they would soon find themselves too helpless to achieve their goal.

65. The author is of the opinion that the French expedition would fail:

English

66. Choose the synonym of: Antonyms of TURBULENT:

English

67. Choose the synonym of: Antonyms of VAGUE:

English

68. Choose the synonym of: Antonyms of DISCOUNT:

English

69. Choose the synonym of: Antonyms of HAPLESS:

English

70. Choose the synonym of: Antonyms of IMPLODE:

English

71. Synonyms of: ACQUIESCE

English

72. Synonyms of: ZENITH

English

73. Synonyms of: LETHAL

English

74. Synonyms of: VIRGINITY

English

75. Synonyms of: EXTEMPORE

English

76. Choose the antonym of: Choose the correct analogy: Lyric : Ode as

English

77. Choose the antonym of: Choose the correct analogy: Ship : Fish as ...... Bird.

English

78. Choose the antonym of: Choose the correct analogy: Glove : Ball as

English

79. Choose the antonym of: Choose the wrongly spelt word:

English

80. Choose the antonym of: Choose the wrongly spelt word:

English

81. What is the meaning of: "Choose the correct alternative: The lawyer was threatened ________ dire consequences."

English

82. What is the meaning of: "Choose the correct alternative: There being no evidence against him, he was acquitted ________ the charge."

English

83. What is the meaning of: "We were ________ the wiser for all his effort to explain the case to us."

English

84. What is the meaning of: "Since it is already midnight, we ________."

English

85. What is the meaning of: "________ difference on matters of principles, they all agree on the demand of hikes in salary."

English

86. Choose the correct word for: To have a jaundiced eye:

English

87. Choose the correct word for: To get in someone's hair:

English

88. Choose the correct word for: Between the devil and the deep sea:

English

89. Choose the correct word for: A vehicle for carrying a dead body is called:

English

90. Choose the correct word for: A book in its original handwritten form is called: