Physics MCQs For Entry Test Preparations

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Physics Entry Test MCQs Question Answers

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Physics Entry Test MCQs For Admission

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Objective Type MCQs Physics Test Preparations

Q.1: The radius of geostationary orbit from the centre of the earth is nearly-------- ?

1. 42000km
2. 36000km
3. 24000 km
4. 18000 km

A

Q.2: When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by--------- ?

1. Mass of a body
2. Velocity of body
3. The tension in the string
4. Centripetal acceleration

C

Q.3: If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is------ ?

1. π /3 x r
2. π/6 x r
3. V/30 x r
4. π / 180 x r

B

Q.4: The flow of ideal fluid is always--------- ?

1. Turbulent
2. Streamline
3. Irregular
4. Straight line

B

Q.5: Two fog droplets have radius 2:3 their terminal velocities are-------- ?

1. 4:06
2. 4:09
3. 2:09
4. 4.3

B

Q.6: The blood flow is --------------- flow at systolic pressure ?

1. Laminar
2. Turbulent
3. Mixed
4. None

A

Q.7: The SI unit of force constant is identical with that of-------- ?

1. Force
2. Pressure
3. Surface tension
4. Loudness

C

Q.8: Total distance travelled by a bob of the simple pendulum in one vibration is equal to---------- ?

1. Amplitude
2. Square of the amplitude
3. 2 x amplitude
4. 4 x amplitude

D

Q.9: In case of a simple pendulum, the cause of damping is---------- ?

1. Drag force of air
2. Gravity
3. Tension in the string
4. None of these

A

Q.10: A photon is---------- ?

1. A unit of energy
2. A positively charged particle
3. A quantum of electromagnetic radiation
4. A unit of wavelength

C

Q.11: The energy radiated is directly proportional to the fourth power of Kelvins temperature is--------- ?

1. Karl-Weins law
2. Rayleigh-Jeans law
3. Stephens law
4. Plancks

C

Q.12: Dioptre power of an concave lens of 10 cm focal length is-------- ?

1. 10 dioptre
2. 10 dioptre
3. 1 / 10 dioptre
4. 1 / 10 dioptre

B

Q.13: Reverse process of photoelectric effect is---------- ?

1. pair production
2. Compton effect
3. annihilation of matter
4. X-rays production

D

Q.14: In normal state of energy the incident high energy photons will be-------- ?

1. Stimulated
2. Absorbed
3. Cause X-ray emission
4. Cause laser production

B

Q.15: The device or circuit used for conversion of --------- ?

1. An amplifier.
2. A rectifier
3. Filtering circuit
4. Converter.

B

Q.16: The operational amplifier is------ ?

1. A high gain amplifier
2. A high-power amplifier
3. A high resistance amplifier
4. A low resistance amplifier

A

Q.17: Temperature is a property which determines--------- ?

1. How much heat a body contains
2. Whether a body will feel hot or cold to touch
3. In which direction heat will flow between two systems
4. How much total absolute energy a body has

C

Q.18: The Fahrenheit and centigrade scales agree to---------- ?

1. 40
2. 15.5
3. 542
4. 273

A

Q.19: For the successful operation of Heat engine which condition should be met ?

1. cyclic process
2. operated at certain temperature difference
3. both A and B
4. none of these

C

Q.20: Addition of vector obeys------ ?

1. Commutative law
2. Distributive law
3. Associative law
4. All given laws in A, B and C

D