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# JEST Question Papers

With the help of JEST Question Papers 2019, candidates will be able to get about what type of Questions will be asked in the exam. By regularly practicing from JEST Solved Paper, candidates will be able to improve their speed and accuracy.

JEST 2012 to 2018 Question Papers

Candidates, who’re seeking admission in Ph.D Programs through JEST Exam, need to prepare through JEST Previous Year Question Papers. Through JEST Question Papers, candidates will be able to know about all the important topics and question that can come in the exam.

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## JEST Question Papers

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JEST Question Papers With Solutions

JEST Previous Year Solved Question Papers For Physics

Question 1: A ray of light enters from a rarer to a denser medium. The angle of incidence is i. Then the reflected and refracted rays are mutually perpendicular to each other. The critical angle for the pair of media is

1. Sin-1(Tan i)
2. Tan-1(Sin i)
3. Sin-1(Cot i)
4. Cos-1(Tan i)

Question 2: A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest its time period is T. With what acceleration should the lift be accelerated upwards in order to reduce its period to T /2? (g is acceleration due to gravity).

1. 2g
2. 3g
3. 4g
4. g

Question 3: A string vibrates with a frequency of 200 Hz. When its length is doubled and tension is altered, it begins to vibrate with a frequency of 300 Hz. The ratio of the new tension to the original tension is

1. 9 : 1
2. 1 : 9
3. 3 : 1
4. 1 : 3

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Question 4: A train is moving slowly on a straight track with a constant speed of 2 ms-1. A passenger in that train starts walking at a steady speed of 2 ms-1 to the bank of the train in the opposite direction of the motion of the train. So to an observer standing on the platform directly in front of that passenger, the velocity of the passenger appears to be _____ .

1. 2 ms-1 in the opposite direction of the train
2. zero
3. 4 ms-1
4. 2 ms-1

Question 5: According to Einstein’s photoelectric equation, the graph of K.E. of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope ______.

1. is same for all metals and independent of the intensity of the incident radiation.
2. depends on the nature of the metal.
3. depends on the intensity of the incident radiation.
4. depends on the nature of the metal and also on the intensity of incident radiation.

Question 6: According to Einstein’s photoelectric equation, the graph of K.E. of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope ______.

1. is same for all metals and independent of the intensity of the incident radiation.
2. depends on the nature of the metal.
3. depends on the intensity of the incident radiation.
4. depends on the nature of the metal and also on the intensity of incident radiation.

Question 7: An electron is moving in an orbit of a hydrogen atom from which there can be a maximum of six transitions. An electron is moving in an orbit of another hydrogen atom from which there can be a maximum of three transitions. The ratio of the velocity of the electron in these two orbits is _____.

1. 5/4
2. 3/4
3. 1/2
4. 2/1

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Question 8: Blue colour of sea water is due to

1. interference of sunlight reflected from the water surface
2. scattering of sunlight by the water molecules
3. image of sky in water
4. refraction of sunlight

Question 9: It is easier to roll a stone up a sloping road than to lift it vertical upwards because

1. work done in rolling is more than in lifting
2. work done in lifting the stone is equal to rolling it
3. work done in both is same but the rate of doing work is less in rolling
4. work done in rolling a stone is less than in lifting it

Question 10: The absorption of ink by blotting paper involves

1. viscosity of ink
2. capillary action phenomenon
3. diffusion of ink through the blotting
4. siphon action

Question 11: Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

1. the heating effect of current alone
2. hysteresis loss alone
3. both the heating effect of current and hysteresis loss
4. intense sunlight at noon

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Question 12: Nuclear sizes are expressed in a unit named

1. Fermi
2. angstrom
3. newton
4. tesla

Question 13: Metals are good conductors of electricity because

1. they contain free electrons
2. the atoms are lightly packed
3. they have high melting point
4. All of the above

Question 14: Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

1. will overflow
2. will not rise
3. depressed
4. change its meniscus

Question 15: Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?

1. Pressure and Young’s modules
2. Planck’s constant and Angular momentum
3. Impulse and moment of force
4. Force and rate of change of linear momentum

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Question 16: Pick out the scalar quantity

1. force
2. pressure
3. velocity
4. acceleration

Question 17: Rectifiers are used to convert

1. Direct current to Alternating current
2. Alternating current to Direct current
3. high voltage to low voltage
4. low voltage to high voltage

Question 18: Materials for rain-proof coats and tents owe their water-proof properties to

1. surface tension
2. viscosity
3. specific gravity
4. elasticity

JEST Previous Year Solved Question Papers For Computer Science

 1.The brain of any computer system isA. ALU B. Memory C. CPU D. Control unit E. None of the above Ans: C 2. Process isA. program in High level language kept on disk B. contents of main memory C. a program in execution D. a job in secondary memory Ans: C 3. The term TSR is an abbreviation for:A. Terminate Stay Ready B. Testing System Read C. Terminal Still Ready D. Terminate Stay ResidentAns: D 4. Conversion of an octal number 1128 to hexadecimal number isA. 4A16 B. 5A16 C. 1516 D. 2016Ans: A 5. A report generator is used toA. update files B. print files on paper C. data entry D. All of the aboveAns: B 6. What was originally called the “imitation game” by its creator?A. The Turing Test B. LISP C. The Logic Theorist D. CyberneticsAns: A 7. A program language:A. defines the form of the instruction B. is always machine dependent C. is never machine dependent D. All of the aboveAns: A 8. Frames from one LAN can be transmitted to another LAN via the deviceA. Router B. Bridge C. Repeater D. ModemAns: B 9. Format flags may be combined usingA. the bitwise OR operator (|) B. the logical OR operator (||) C. the bitwise AND operator (&) D. the logical AND operator (&&)Ans: A 10. What could cause a fixed disk error.A. No-CD installed B. bad ram C. slow processor D. Incorrect CMOS settingsAns: D