Question # 1

In totally reflecting prism one angle is of:

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45°

90°

180°

120°

In series combination of capacitors, each capacitor will have same:

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Voltage

Charge

Capacitance

Charge and voltage

How Galvanometer is connected in circuit to detect current:

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In series

In parallel

Fixed

Variable

The logical operation performed by this gate is:

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AND

NOR

NAND

OR

A group of instructions or a program which guides hardware to do work is called:

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Hardware

Micro processor

Memory

Software

A and B are the two inputs of a NOR gate. Its output would be 1 when:

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A = 1, B = 1

A = 0 , B = 1

A = 1, B = 0

A = 0 , B = 0

The A.C. used in our houses has frequency _____ cycle/sec

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60

30

50

130

The sound level of rustling of leave is:

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1 dB

20 dB

30 dB

10 dB

When a Uranium (92 protons)ejects a beta particle, how many protons are left in the remaining nucleus?

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89 Protons

90 Protons

91 Protons

93 Protons

The oscillations of a system in the presence of which force are called damp oscillations:

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Resistive force

Attractive force

Coulomb force

Both a and b

The distance of spherical mirror is called:

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Curvature

Aperture

Sphere

a,b

D.C. motor converts.

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Mechanical energy into electrical energy

Mechanical energy into chemical energy

Electrical energy into mechanical energy

Electrical energy into chemical energy

The particles emitted from a hot cathode surface are:

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Positive ions

Negative ions

Protons

Electrons

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