Question # 1

A body moving with uniform velocity has

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positive acceleration

negative acceleration

infinite acceleration

zero acceleration

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

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Energy, momentum and mass

Energy

Energy and mass

Energy and linear momentum

The intensity at a point due to a charge is inversely proportional to

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Amount of charge

Size of the charge

Distance between charge and the point

Square of the distance from the charge

None of these

If a wave can be polarized, it must be

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An electromagnetic wave

A longitudinal wave

A progressive wave

A transverse wave

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is

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9 x 10⁵V

9 V

8 x 10⁶V

80 V

The way through which electromagnetic radiations or photons interact with matter depends upon their:

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Wavelength

Frequency

Energy

Temperature

All of these

A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear

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To fall vertically down

To fall at an angle going from west to east

To fall at an angle going from east to west

The information given is insufficient to decide the direction of rain

The SI unit of conductivity is

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ohm-m

ohm^-1m^-1

ohm-m^-1

ohm^-1m

A field in which the work done is moving a body along closed path is zero is called:

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Nuclear filed

Conservative field

Gravitational field

Non-conservative field

The range ofβ-particle in air is greater than that ofα-particle by

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1000 times

100 times

15 times

10 times

Zirconia is classified as:

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Ceramic solid

Ionic compound

Metal

Either (A) or (B)

Either (B) or (C)

If a glass slab is placed in the path of a converging beam of light The point of convergence of light

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Moves away from the glass slab

Moves towards the glass slab

Remains at the same point

Moves straight

The internal energy of a gram mole of an ideal gas depends upon

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Pressure alone

Volume alone

Temperature alone

Both pressure and temperature

Young's modulus for steel is

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100

200

300

400

A ball whose kinetic energy E, is thrown at an angle of 45° with horizontal,its kinetic energy at highest point of flight is

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E

E / √2

E/2

Zero

1 torr is expressed as

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136.5 Nm^-2

13.3 Nm^-2

133.3 Nm^-2

130.5 Nm^-2

Shear modulus for glass is

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23

39

52

69

What is the unit of the Young's modulus?

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N m^-2

N m^-1

N m

N m²

The magnetic field of a solenoid is quite similar to that of a:

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Straight conductor

A horse shoe magne

Any magnet

A bar magnet

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

candela

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

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Fission reaction

Fusion reaction

Polymerization reaction

Any of these

None of these

The high blood pressure is known as

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Diastolic

Systolic

High blood pressure

None of these

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