Question # 1

The ratio of image height to object height is called:

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Linear magnification

Power

Refraction

Radius of curative

Simplest electrical circuits use:

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One wire

Two wires

Four wires

Five wires

When the object is placed beyond 2F of a convex lens, the image formed will be:

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Real, inverted and smaller than the object

Real, inverted and of the same size as the object

Real, inverted and larger in size than the object

Virtual, erect and larger in size than the object

What type of graph is in between V and I?

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Curved

Parabola

Straight line

None of these

In computer terminology, proceed data is called:

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Software

Program

Information

Digital data

Electric potential is a quantity:

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Scalar

Vector

Base

All

The loudness of a sound is most closely related to its:

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Frequency

Period

Wavelength

Amplitude

We can distinguish between the notes of a piano and flute due to ………… of sound.

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Loudness

Pitch

Quality

Intensity

The minimum value of angle of deviation is called:

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Minimum angle

incident angle

angle of minimum deviation

None of these

The output of OR gate would be '0' When:

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Both of its inputs are zero

One of its two inputs is zero

Both of its inputs ar 1

Any one of its inputs is 1

For the emission of electrons from the tungsten filament the values of current and voltage are taken as:

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0.1 A and 2V

0.2 A and 4V

0.3A and 6V

0.4A and 8V

If the mass of the bob of a pendulum is increased by a factor of 3, the period of the pendulum’s motion will:

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Be increased by a factor of 2

Remain the same

Be decreased by a factor of 2

Be decreased by factor of 4

When a ray of light enters from denser medium to rare medium, the angle of incidence for which angle of refraction is 90° is called:

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Angle of incidence

Critical angle

Angle of refraction

Angle of deviation

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