Question # 1

If the velocity time graph is a straight line parallel to the time-axis, then it means:

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The body is moving with uniform velocity

The body is moving with uniform acceleration

The body is at rest

None of these

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

Which one of the following is dimensionless.

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Acceleration

Velocity

Density

Angle

The dot product of electric field intensity E and vector area A is called

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Electric potential

Electric flux

Electric field

Magnetic field

To observe interference of light, the condition, which must be met with is that the sources must be:

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Monochromatic

Phase coherent

Both of above

None of above

The direction of vector in space is specified by:

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One angle

Two angles

Three angles

None of these

The value of the metastable state for Neon is

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20.66eV

20.61eV

19.23eV

18.70eV

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

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Thumb

Curled fingers

Middle finger

Arm of right hand

None of these

The work done on the system by the environment is considered as

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positive

negative

zero

any one of them

Aerodynamics is a branch of

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Hydrodynamics

Thermodynamics

Both of them

Statics

Amorphous solids are also called as

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crystalline solids

polymeric solids

glassy solids

any one of them

Which of the following is conserved when light waves interfere

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Intensity

Energy

Amplitude

Momentum

Carnot engine is ____________ heat engine.

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A reversible

An irreversible

An ideal

Both A and C

The unpolarized light is

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An ordinary incandescent bulb

Sun

Moon

All of these

The flow is said to be streamline or laminar when very particle

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Moves in different direction

Moves along the same path as

Slowly moves in one direction

None of these

At what point/points in its path does a projectile have its maximum speed ?

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At the point of projection

At the point where its strikes the ground

Both

None of these

Torque = Force x ?

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Speed

Momentum

Moment arm

Couple arm

The approximate efficiency of incandescent lamp is

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6%

8%

5%

9%

The dimension stands for the nature of a physical quantity which is

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Quantitative

uantitative

Numerical

None of these

A human eye can detect the electromagnetic radiations of the type:

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Infrared radiations

For- infrared radiations

X-rays radiations

Red radiations

Curie temperature is a point where:

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Diamagnetism changes to paramagnetism

paramagnetism changes to Diamagnetism

Ferromagnetism changes to paramagnetism

paramagnetism changes to Ferromagnetism

The renewable energy source is

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Natural gas

Biomass

Tide3s

None of these

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