Question # 1

During S.H.M acceleration of the body is maximum at:

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Mean position

Extreme positions

Between mean & Extereme

None of these

How does sound travel from its source to your ear?

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Byc changes in air pressure

By vibration in wires or strings

By electromagnetic waves

By infrared waves

An object is placed 6 cm away in front of a concave mirror that has 10 cm focal length. Determine the location of the image:

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-5 cm

-10 cm

-15 cm

-20 cm

A unit of electric charge, equal to the charge of 6.25x10¹⁸ electrons is:

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Electricity

Coulomb

Electric potential

Volt

To hear echo, the distance between the observer and the obstacle is 17m then how much distance will the sound travel?

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60m

54m

17m

34m

To see from submarine and the ship at the surface of water, we use:

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Telescope

Microscope

Periscope

Prism

In electric motor, the brushes are made of:

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Lead

Graphite

Iron

Wood

Which of the following is a method of energy transfer.

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Conduction

Reatiation

wave motion

all of these

Radioactive isotopes present in atmosphere is

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Cobalt -60

Ph-32

Carbon -14

Carbon -20

Program up gradation refers to:

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Program enhancement

Program identification

Program development

Program implementation

Which of the following reasons increase the importance of computer:

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Speedy

Long time storage of memory

Quick decision

All of these

1 Pico Farad is equal to:

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10^-9F

10^-12F

10¹²F

10^-6F

Electric potential is a quantity:

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Scalar

Vector

Base

All

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Physics 10th Class English Medium Online Test MCQs With Answers

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