10th Class Physics MCQS Chapter 6

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10th Class Physics MCQS


The speed of light in water is:
2.0×103 ms 1
2.5×103 ms 1
2.3×108 ms-1
2.3×10 8 ms 1

The minimum value of angle of deviation is called:
Minimum angle
None of these
Incident angle
Angle of minimum deviation

Which statement is true about the magnetic poles?
A single magnetic pole does not exist
Like poles attract
Magnetic poles do not effect each other
Unlike poles repel

When you rub a plastic rod against your hair several times and put it near some bits of paper, the pieces of papers are attracted towards it. What does this observation indicate:
The rod acquires a negative charge
The rod acquires a positive charge
The rod and the paper are oppositely charged
The rod and the paper have the same charges

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:
Angle of refraction
Critical angle
Angle of incidence
Angle of deviation

The number of lines of force in a magnetic field depends upon.
Magnet
Strength of field
Shape of coil
Sixe of coil

Which animal have ability to move his eye lens:
Snake
Fish
Tiger
Ant

The refractive index of ice is:
1
1.33
2.42
1.31

In totally reflecting prism one angle is of 90°, and other two angles are of:
40°,40°
45°,45°
30°,30°
45°,90°

Eight bits combine to form:
A byte
Megabyte
Gigabyte
Kilobyte

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