Question # 1

The vibratory or oscillatory motion of a body is

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translatory motion

back and forth motion about its mean position

free all motion

circular motion

In gases, the charge carriers are:

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Electrons

Positive ions

Negative ions

Both A and C

Both A and B

The vector is space has:

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One Component

Two Compnents

Three Components

Non of these

If both the inputs given to a gate ae 1 such that the output is 0, then it is:

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AND gate

NOR gate

OR gate

NOT gate

Both (A) and (C)

What temperature is the same on Celsius scale as well as on Fahrenheit scale?

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32°C

-32°C

-40°C

-212°C

Unit vector is used to specify:

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Magnitude of a vector

Dimensions of a vector

Direction of a vector

Position of a vector

The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is

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4/5Ω

5/4Ω

20Ω

0.05 Ω

Wave length of light, on the average, is given by:

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10^-14_m

10^-10_m

10^-6_m

10^-4_m

Strength of magnetic field is measured in SI units, in:

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N

N/Am

Am/N

Nm/A

None of these

Dimensions of velocity are

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[L]

[T]

[LT^-1]

[LT^-2]

When we consider the average velocity of a body, then the body is moving in

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straight line

curved path

may be in a straight or curved path

none of them

The percentage errors in the measurements of mass and speed are 2% and 3% respectively.How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed.

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11%

8%

5%

1%

When two lights waves travelling in the same direction are in phase at any point, they producing

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constructive interference

destructive interference

dispersion

polarization

The capacitance of capacitor depends on the

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Medium between two plates

Charge stored

Distance between the two plates

All of them

The ratio of the diameter of two convex lenses is the ratio of their focal lengths

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Greater than

Less than

Equal to

None

The device which is used to measure the degree of hotness or coldness of the object.

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Thermometer

Barometer

Hypermeter

None of these

The pressure will be low where the speed of fluid is

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Zero

High

Low

Constant

Fractional error in a measured quantity is determined by

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Measured value / Absolute error

Absolute error / Measured value

Measured value + Absolute error

Measured value - Absolute error

The force which aries when one layers of liquid slides over another layer is measure by

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Viscosity

Velocity

Momentum

Acceleration

Huygen's wave theory of light cannot explain

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Diffraction

Interference

Polarization

Photoelectric effect

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

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-2 mv

Zero

2 mv

mv

Gauss s law is applicable by considering Gaussian surface The Gaussian surface must has shape which is

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Spherical

Cylindrical

Box type

Any arbitrary closed shape

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