Question # 1

The angle between x-axis, y-axis and z-axis is

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45°

60°

75°

90°

Two vector can be added by simple arithmetical method when they are at an angle of.

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120^o

90^o

0^o

45^o

If the are of a circle equals its radius, then the angle subtended at the center will be

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1 degree

One rotation

One radian

Half rotation

If the tension a stretched string is made four times then the velocity of wave.

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Remains same

Is halved

Becomes twice

Becomes 4 times

The value of angular momentum is maximum when 0 is

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90^o

60^o

75^o

45^o

The curve representing an adiabatic process is called.

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An adiabatic

An isotherm

Both of these

None of these

Which of the following is the derived quantity.

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Time

Length

Area

Mass

Apparent weight of a man is in upward accelerated lift will

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Increases

Decreases

Remain same

Increases then decrees

The blue colour of sky is due to

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diffraction

Reflection

Polarization

Scattering

The centre of Newton's fringe is dark due to.

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Destructive interference

Diffraction

Constructive interference

Polarization

If the temperature of sink is absolute zero then the efficiency of heat engine engine should be.

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100%

50%

Infinite

zero

10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be

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1 Hz

2 Hz

5 Hz

10 Hz

Direction of a vector in space requires

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Two axis

Three axis

Four axis

Both a and b

Light waves are

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Longtail waves

Transvers waves

Stationary waves

Mechanical wave

Food rich in proteins is:

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potato

grapes

vegetables

bread

The law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

Moment of inertia is measure din

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Kg m2

Kg m-2

Rad s-1

Joule second

The path followed by a projectile in known as its

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Range

Trajectory

Cycle

Height

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