Question # 1

Typographical errors in BASIC statements are:

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Runtime errors

Logical Errors

Syntax errors

Execution errros

Which device is used to show the change in the value of current or electrical potential as a graph?

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Cathode ray tube

Electron gun

Oscilloscope

Transformer

In totally reflecting prism one angle is of 90°, and other two angles are of:

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30°,30°

45°,90°

45°,45°

40°,40°

electric field is weak when:

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lines are far apart

lines are close together

no lines are present

lines are directed outside

Which of the following is not Processing?

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arranging

manipulation

calculating

gathering

In fixed capacitor dielectric used is:

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Paper

Metal

Mica

Paper & mica

The product of frequency (f) and wavelengthλ is equal to:

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Time period

Amplitude

Wave speed

Wave energy / frequency

The time period of frequency and time period is equal to:

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v

1

0

λ

The resistance of conductors is due to:

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Protons

Fixed atoms

Molecules

Neutrons

When a heavy nucleus splits into lighter nuclei,the process would.

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Release nuclear energy

absorb nuclear energy

Release Chemical energy

Absorb Chemical Energy

If a ray of light is glass is incident on an air surface at an angle greater than the critical angle, the ray will.

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refract only

reflect only

partially refract and partially reflect

Diffract only

A converging mirror with a radius of 20cm creates a real image 30 cm from the mirror. What is the object distance:

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5.0 cm

7.5 cm

15 cm

20 cm

The mirror whose inner surface is reflecting is called:

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Concave mirror

Convex mirror

Mirror

Lens

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