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Question 1
At which speed light waves travel?
Question 2
The intensity of a wave:
(I) follows inverse square law.
(II) is proportional to its amplitude.
(III) is proportional to the square of the amplitude.
(I) follows inverse square law.
(II) is proportional to its amplitude.
(III) is proportional to the square of the amplitude.
Question 3
Which phenomena prove that light waves are transverse waves?
Question 4
The property which is seen in light wave but not in sound wave is:
Question 5
The wavelength at which the peak of intensity of black body radiation occurs
Question 6
Matter waves are
Question 7
What effect on wavelength of light is visible when it pass through rarer to denser medium?
Question 8
What is frequency affected by?
Question 9
X-rays are ________ waves.
Question 10
Sound waves in air are________.
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Apr 14ESE & GATE EC
