Question # 1

The induced current in a conductor depends upon

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Resistance of the loop

Speed with which the conductor moves

Any of these

Both A and B

None of these

Resolving power in mth order diffraction for grating is given by:

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R = N/m

R = m/N

R = N x m

None of these

The range of wavelengths of colurs in the visible colours is

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140 nm to 456 nm

10 nm to 56 nm

410 nm to 656 nm

910 nm to 956 nm

None of these

When angular acceleration is positive, the body rotates:

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Slower

Slowest

Faster

None of these

A pair of quark and antiquark makes a:

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Meson

Baryon

Proton

Neutron

None of these

The loudness and pitch of a sound note depends on

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Intensity and velocity

Frequency and velocity

Intensity and frequency

Frequency and number of harmonic

.Depletion region contains:

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Protons

Positive ions

Negative ions

Both (B) and (C)

Both (A) and (C)

The irregular and unsteady flow of the fluid is called

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turbulent flow

steady flow

either of them

both of them

G.P. Thomson observer experimentally that electrons and neutrons possess

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particle-like properties

wave-like properties

neither particle nor wave like properties

none of these

The values 1 and 0 are designated as:

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Continuous values

Binary values

Boolean values

Decimal values

Either (B) and (C)

Direction of motion_______ in circular of motion:

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Changes off and on

Changes continuously

Does not change

None of them

The use of chips in electrons is described in the form of:

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Yellow boxes

Black boxes

Red boxes

White boxes

Orange boxes

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

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Positive

Negative

Zero

None of these

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

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different values

same values

zero valves

constant valves

A device which converts Electrical energy into mechanical energy is called as

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Transformer

Generator

Motor

All of these

the dilation of time applies to the timing processes which are:

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Physical

Chemical

Biological

All of these

None of these

The unit of resistance is

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volt

ampere

ohm

coat

Hydrogen atom with only one proton in its nucleus, and one electron in its orbit is called

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deuteron

deterium

protium

tritium

A convex lens acts as diverging lens when the object is placed:

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Between F and 2F

At 2F

With focal length

Beyond 2F

From the theory of relativity, momentum p of the photon is related to energy as

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p = hfc

p = hf/c

p = f(hc,f)

p = cf/h

At high speed, fluid friction _____ and fuel consumption ___,:

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Increases, decreases

Increases, increases

Decreases, increases

None of these

When the same object is viewed at a shorter distance, the image on the retina of the eye is _____ the so the object appears:

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Greater, smaller

Smaller, smaller

Smaller, larger

Greater, larger

The smooth or steady stream-line flow is know as

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Laminar flow

Turbulent flow

Both a and b

None of the above

A body with frequency of would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

What is another name for laminar flow?

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streamline

unsteady flow

turbulent flow

both (a) and (b)

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

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60°

90°

120°

150°

The most abundant isotope of neon is

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neon-20

neon-21

neon-22

neon-23

At resonance frequency the impedance of parallel resonance circuit is

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Maximum

Minimum

Zero

None of the above

Which of the following has the greatest coefficient of viscosity?

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water

gasoline

honey

tar

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

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diffraction

beat

interference

resonance

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

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Both the conductors are at the same potential

Potential difference across the conductors remain constant

Potential difference across the conductors becomes zero

Both (A) and (B)

Both (A) and (C)

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