Question # 1

The system international SI built up from

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Derived Units

Supplementary units

Basic Units

All of these

The SI unit for measuring plane angle is

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Streadian

Radian

Both a and B

None of these

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

The acceleration produced by elastic restoring force is

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Perpendicular to force

Opposite to force

In same direction as force

Zero

If a rocket is accelerating upward with an acceleration of 2 g, an astronaut of weight, mg in the rocket shows apparent weight.

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Zero

Mg

2 mg

3 mg

The formula of centripetal acceleration is

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The dimensional of potential energy per unit volume are same as that of.

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Work

Pressure

Speed

Density

At which of the following temperature a body has maximum internal energy.

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-273 ^oC

0 K

273 K

-273 K

Reapters are placed in new system at distance of.

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30 km

50 km

80 km

100 km

INTELSAT VI satellite operates at microwave frequencies of.

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2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

The magnifying power is also called

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Resolving power

Angular magnification

Strength of eye

None of these

If the temperature of a gas is constant then <1/2 mv2> of the molecules of gas will be.

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Constant

Zero

Increase

Decrease

The word Fluid means

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To rise

To fall

To flow

To oppose

The study of Physics deals with

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Laws of motion

The structure of space and time

Force present in the nature

All of the above

Kilo watt hour is the unit of

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Power

Energy

Force

Torque

International Telecommunication satellite

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4,6,8 and 10 Hz

4,6,11 and 14 GHz

4,6,8 and 12 Hz

4,8,11 and 16 GHz

The difference between tow molar capacities is equal to.

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Plank's constant

General gas equation

Molar gas constant

Boltzmann constant

A man of mass 5 kg is falling freely, the fore acting on it will be

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5 N

9.8 N

19.6 N

49 N

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