Question # 1

Value of triple point of water is given as.

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Zero K

100 K

273.16 K

373.16 K

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

the change in internal energy is defined as

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Q - W

Q-T

Q + P

Q - P

The direction of angular acceleration is

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Along the axis of rotation

Perpendicular to the axis of rotation

Opposite to axis of rotation

None of these

Light waves are

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Longtail waves

Transvers waves

Stationary waves

Mechanical wave

For maximum range the angle of projection must be

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30^o

45^o

60^o

90^o

Which of the following is the derived quantity.

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Time

Length

Area

Mass

The magnification of a convex lens of focal length 5 cm is equal to.

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5

6

10

23

The number of spark plug needed in diesel engine is

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0

2

3

4

the louder the sound, the greater will be its.

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Speed

Frequency

Amplitude

Wave length

The value of angular momentum is maximum when 0 is

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90^o

60^o

75^o

45^o

Half wavelength corresponds to

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0 ^o

90 ^o

180 ^o

360 ^o

Let A = Area of cross section of pipe, v = speed of fluid, then 'Av' is called.

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Volume flow rate

Energy flow rate

Mass flow rate

Pressure flow rate

The unit of work in base unit is

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Kg m-1 sec-2

Kgm sec-2

Kgm2 sec-1

Kgm-1 sec-1

Energy dissipated usually appears as

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P.E.

Heat Energy

Chemical energy

Nuclear Energy

Which one is renewable source of energy.

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Coal

Uranium

Biomass

Natural gas

At what speed the momentum and kinetic energy of a body having the same.

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1 ms-1

2 ms-1

4 ms-1

8 ms-1

If r = 5 m and f = 4 N are along same direction, them torque is

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20 Nm

5 Nm

10 Nm

Zero

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