Question # 1

The nature of capacity of electrostatic capacitor depends on

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Shape

Size

Thickness of plates

Area

The number of translation degress of freedom for a diatomic gas is

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2

3

5

6

Area under the force displacement graph gives

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Power

Work

Heat

Energy

A condenser of capacity 50μF is charged to 10 V.The energy stored is

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1.25 x 10^-3J

3.75 x 10^-3J

2.5 x 10^-3J

5 x 10^-3J

Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:

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50

100

150

200

250

An object undergoes SHM. Its maximum equilibrium positions:

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Maximum

Half of its maximum value

Zero

None

A coil of constant area is placed in a constant magnetic field. An include current is produced in the coil when:

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The coil is destroyed

The coil is Rotated

The coil is neither destroyed nor rotated

Both (A) and (B)

None of these

The bicycle pump provides a good example of

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first law of thermodynamics

second law of thermodynamics

third law of thermodynamics

none of them

If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :

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0.005 cm

0.01 cm

0.02 cm

0.001 cm

Addition of 2.189 kg, 11.8 kg and 5.32 kg gives the rounded off answer as:

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19.398

19.400

19.4

19.3

Charge on proton is

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1.59 x 10^-9C

1.59 x 10^-7C

-1.59 x 10^-19C

1.59 x 10^-19C

In a never system, the repeaters are placed at about

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50 km

75 km

100 km

125 km

A stress which is along one dimension is known as:

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Tensile stress

Linear stress

Compressive stress

Both (A) and (C)

Both (A) and (B)

The maximum height attained by the projectile is

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V₁²/g sin²θ

V₁²/2g sin2θ

V₁²/2g sin²θ

None

In an interference pattern of Young,s Double Slit (YDS) experiment

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Bright fringes are wider than dark fringes

Dark fringes are wider than bright fringes

Both dark and bright fringes are of equally spaced

Central fringes are wider than the outer fringes

How many wavelengths of Kr⁸⁶ are these in one metre?

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1553164.13

1650763.73

2348123.73

652189.63

The slope of the tangent at any point on the curve gives the value of the

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average velocity at that point

instantaneous velocity at that point

average acceleration at that point

instantaneous acceleration at that point

The speed of sound in air is

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320 ms^-1

323 ms^-1

330 ms^-1

333 ms^-1

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

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5 x 10^-3A°

2 x 10^-4A°

5 x 10^-5A°

2 x 10⁴A°

The torque is taken as positive when it is

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Clockwise

Anticlockwise

Both

None of these

One fixed point of temperature used in the absolute scale is

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0°C

273 K

273.16 K

0K

When two balls collide then after collision, they rebound with velocities less than the velocities before the impact, because a portion of K.E is lost in the form of

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friction

heat energy

sound energy

all of them

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