Question # 1

The frequency of silent whistle is:

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20,000 Hz – 25000Hz

2000 Hz – 2500Hz

200 KHz – 2000 Hz

25000 KHz

The distance of the object from the mirror is represented by :

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q

p

m

F

With broadband information can be loaded:

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In 1 min

In 1 sec

In 1 day

In 2 days

Hard disk is made of:

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Aluminium

Copper

Iron

Plastic

the motion in which the friction reduces the mechanical energy of the system as time passes and the amplitude of motion reduces is called:

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SHM

Random motion

Damped motion

Circulatory motion

The intensity of lawn mover is:

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10^-1 wm^-2

10^-2wm^-2

10^-1wm^-3

10^-3wm^-2

Which is not a hardware:

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CPU

Window

Keyboard

Mouse

1 GB = ______________ Megabytes.

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1022

1023

1024

1025

The disturbance travelling in a medium is called:

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Wave motion

Simple harmonic motion

Motion

both a and b

When a current carrying conductor is placed in magnetic field at right angle to it. The direction of force acting upon it is:

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The same as direction of field

Opposite the direction of field

Makes an angle of 45^owith the current

At right angle to both the field and the current.

Which particles are nucleons?

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Electrons and protons

Protons and neutrons

Electrons and neutrons

Electrons and positrons

The unit of electric power is:

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Volt

Watt

Joule

Coulomb

It mass of bob o a simple pendulum is doubled, its time period.

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is doubled

become four times

remains same

none of the above

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