EASY
10th ICSE
IMPORTANT
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Can the moment of force be zero even if force is not zero? If so, when?

Important Questions on Practice Papers for Revision

EASY
10th ICSE
IMPORTANT
Give four examples of couple in everyday life.
EASY
10th ICSE
IMPORTANT

How will you turn the path of a ray of light though 900 using a prism? Illustrate with the help of a diagram

EASY
10th ICSE
IMPORTANT
A ray of light after refraction through a concave lens emerges parallel to the principal axis. Draw a ray diagram to show the incident ray and its corresponding emergent ray.
MEDIUM
10th ICSE
IMPORTANT
The velocity of light in diamond is 121000 km s-1. What is its refractive index?
EASY
10th ICSE
IMPORTANT
What is the frequency of alternating current which comes to our houses? How many times it changes its polarity in a second ?
EASY
10th ICSE
IMPORTANT
Name the colours of the three core cable along with their corresponding electrical connections to a socket.
EASY
10th ICSE
IMPORTANT
The ratio of the amplitudes of two waves is 4:9. What is the ratio of their intensities?
EASY
10th ICSE
IMPORTANT
Which of two wires of similar dimensions-copper or nichrome, would you use for the electric heater element? Give reason to justify your answer.