Question # 1

X-ray are also known as

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Roentgen rays

Maxwell rays

Plank range

Einstein rays

The path followed by the projectile is known as:

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Cycle

Hyperbola

Trajectory

Route

An ideal choke (used along with fluorescent tube) would be

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A pure resistor

A pure capacitor

A pure inductor

A combination of an inductor and a capacitor

Work has the dimension as that of:

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Torque

Angular momentum

Linear momentum

Power

Brownian motion increases due to

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Increase in size of Brownian particle

Increase in temperature of medium

Increase in density of medium

Increase in viscosity of medium

For maximum linear distance of travel, a projectile must be fired at an angle of

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0°

45°

90°

60°

Which one of the following is an example of SHM

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Motion in a plane

Motion in a swing

Motion in a car

None of these

The work done by a force keeping an object in circular motion with constant speed is:

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Zero J.

0.1 J

1 J

0.01 J

Majority charge carriers in the p-region of p-n junction are:

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electrons

positrons

Holes

Neutrons

None of these

A signal is amplified at the output without any change of phase, if it is applied at the

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inverting input

non-inverting input

at any of the input

none of these

A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s

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One coulomb

0.5 coulomb

30 coulombs

2 coulombs

None of these

A body starting from rest covers a distances of 0.45 km and acquires a velocity of 300 Kmh^-1its acceleration will be

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7.71 m s^-2

0.5 m s^-2

0.15 m s^-2

0.092 m s^-2

A person standing near the track of a fast moving train has tendency to fall towards it because of

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Vibration due to motion of train

Gravitation force of attraction between person and trains

The high speed of train

Some other effect

A point source in a homogeneous medium gives rise to:

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A plane wavefront

A spherical wavefront

A cylindrical wavefront

An elliptical wavefront

The minimum distance between a source and the screen for which a real image is possible with a convex lens is

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Its focal length

Twice the focal length

Four times the focal length

Square of the focal length

The dimensions of the coefficient of viscosity are

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[ML^-1T¹]

[MLT]

[M^-1L^-1T¹]

[M⁰L⁰T⁰]

When the speed of a moving body is doubled

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Its P.E. is doubled

Its acceleration is doubled

Its K.E. is doubled

Momentum is doubled

Significant figure in 0.00110

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One

Two

Three

Four

The fundamental frequency of a closed organ pope is 50 Hz. The frequency ofsecond over tone is

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100hz

150hz

60hz

250hz

In Newton,s rings apparatus, we also use

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Spectroscope

Telescope

Microscope

Turn table

The frame of reference in which Newton first law of motion holds is known as

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Inertial frame of reference

Non-Inertial frame of reference

Every frame of reference

None of these

Glass and high carbon steel are the examples of

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brittle substances

ductile substances

plastic substances

elastic substances

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