10th Class Physics MCQS Chapter 5

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10th Class Physics MCQS


The center of curved surface of spherical mirror is called:
Centre
Focus
Axis
Pole

Which type of image is produced by the converging lens of human eye if it views a distant object:
Virtual, erect, diminished
Virtual, inverted, magnified
Real, inverted, diminished
Real, erect, same size

The resistance of voltmeter is:
zero
Very high
low
10?

The sensation of sound persists in our brain for:
1 sec
10 sec
0.01 sec
0.1 sec

The property of substance, which opposes the flow of current through it is called.
Reactance
Resistance
Resistivity
None of these

In mathematical form of Ohm’s law, “R” is:
Resistor
Resistance
Resistivity
Specific resistance

Mathematical form of Ohm’s law is:
V = Qt
V = IR2
V = I2R
V = IR

Half of radius of curvature is called:
Axis
Focal length
Principal focus
Aperture

J.J Thomson observed deflection of cathode rays in:
1896
1897
1895
1998

If a ray of light in glass is incident on an air surface at an angle greater than the critical angle, the ray will:
Diffract only
Refract only
Reflect only
Partially refract and partially reflect

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