Massless particle containing a certain amount of energy is called
A) photon
B) shell
C) electron
D) none of these
Correct Answer:
Verified
Q3: Wavelength and frequency are related as :
Q4: Electromagnetic waves can be visualised as a
A)sine
Q5: How is radiance measured?
A)lumens
B)watts
C)armstrong
D)hertz
Q6: Which of the following is used for
Q7: Which of the following is impractical to
Q9: What do you mean by achromatic light?
A)chromatic
Q10: Which of the following embodies the achromatic
Q11: Which of the following is a receptor
Q12: How is image formation in the eye
Q13: Range of light intensity levels to which
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