Question # 1

When 10 N along positive x-axis and 7 N along negative x-axis are added by head to tail rule. The resultant force is:

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17 N

10 N

7N

3 N

S.I unit of force is:

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N

Ns

s

None

Which one of the following converts light energy into electrical energy?

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Electric Bulb

Electric generator

Photocell

Electric cell

Rooms are heated using gas heater by:

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Conduction only

Convection and radiation

Radiation only

Convection only

Rooms are heated using gas heaters by

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Conduction only

Convection and radiation

Radiation only

Convection only

Tan 𝜽 is equal to:

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Perpendicular/Hypotenuse

Base / Perpendicular

Base/Hyp

Perpendicular/Base

When a body is lifted through a height the work done on its appears in the form of its:

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Kinetic energy

Potential energy

Elastic potential energy

Geothermal energy

The ability of body to do work is called:

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Power

Energy

Work

Efficiency

The motion of a body about an axis is called.

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Random motion

Vibratory motion

Rotatory motion

Circular motion

Science is that word which is derived by Latin word.

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Scient

Scientis

Scientia

Sciincet

A couple consists of which type of forces :

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Like parallel

Unlike parallel

Not parallel

Nil

If force will be applied on smaller area, pressure will become:

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Much less

Zero

More

Less

While rounding the numbers if last digit is 5, then.

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It is simply dropped

The digit on its left is increased by 1

It is rounded to get nerarest even number

It remain same.

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