Question # 1

The process followed by Newton for the determination of speed of sound in air is

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Adiabatic

Isothermal

Isobaric

Isochoric

The final image formed by a simple microscope.

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Virtual and inverted

Real and erected

Virtual and erected

Real and inverted

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

Pascal is the unit of

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Pressure

Force

Tension

Weight

The kinetic energy of molecules of an ideal gas at absolute zero is

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Very low

Very high

Zero

First increases then decreases

A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.

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5 N

8.66 N

10 N

Zero

Teh speed of sound in air is 340 m/s. If the pressure of air is doubled then the speed becomes.

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Double

Half

Four times

Remains same

Intensity of light depend on

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Wave length

Amplitude

Velocity

Frequency

Value of triple point of water is given as.

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Zero K

100 K

273.16 K

373.16 K

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

The difference between tow molar capacities is equal to.

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Plank's constant

General gas equation

Molar gas constant

Boltzmann constant

The word Fluid means

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To rise

To fall

To flow

To oppose

Efficiency of a heat engine working between 27 ^oC and 32 ^oC will be.

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50%

90%

40%

62%

The least distance of distinct vision for the normal eye is.

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15 cm

25 cm

125 cm

25 m

For angular momentum of system to remain constant, external torque should be.

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Small

Large

Zero

None

Two tuning forks of frequencies 240 Hz and 243 Hz are sounded together, the number of beats per second is.

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Zero

2

3

4

Pressure 'P' of a gas is defined as

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F/A

FA

F/V

F/D

when a ball is throng straight up, the acceleration at its highest point is.

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Upward

Down ward

Zero

Horizontal

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