Question # 1

The closed switch in Boolean expression is represented by:

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0

1

10

2

The refracted light striking to the side of prism is called:

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Refracted ray

Incident ray

Reflected ray

Emergent ray

Program up gradation refers to:

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Program enhancement

Program identification

Program development

Program implementation

Which of the following characteristics of a wave is independent of the others:

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speed

frequency

amplitude

wavelength

Earth wire is connected to the:

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Power house

Transformer

Ground

Generator

Nichrome wire is an alloy of:

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Lead and zinc

Silver and copper

Nickel and chromium

Iron and copper

LDR can act as:

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Diode

Switch

Transistor

Rectifier

The brain of any computer system is:

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Monitor

Memory

CPU

Control unit

Which of the following is not Processing?

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arranging

manipulation

calculating

gathering

Which among the following radiation has more penetrating power?

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A beta pareticle

A gamma particle

An alpha particle

None of these

When a body moves to and fro about a point, its motion is called:

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Random motion

Vibratory motion

Linear motion

Rotatory motion

The device which is used to convert sound waves into electrical signal is called:

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Ear piece

Microphone

Transmission channel

Receiver

Which of the following is an insulator:

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Copper

Iron

Silk

Silver

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