Science, asked by nazirinnova, 3 months ago

1) If the reflected ray makes an angle of 60° with the normal, what angle must be
incident ray make with the normal? Find angle made by incident ray with surface.
2) What will be the increase in length of a steel rod of length 0.5m when its
temperature is increased by 60°C? The coefficient of linear expansion of steel is

Answers

Answered by bhoirnidhi85

1

make me brilliant and follow 1st answer

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