The energy of the photon with a frequency of 3 × 1015 Hz is:

1. 1.988 × 10-18 J
2. 1.588 × 10-18 J
3. 1.288 × 10-18 J
4. 2.988 × 10-18 J

Subtopic:  Electromagnetic Radiation |
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Level 1: 80%+
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Match types of wave in Column-I with the corresponding frequency in Column-II and mark the appropriate option:

Column-I
(Types of Wave)
Column-II
(Corresponding Frequency)
A. X-rays I.  v=100-104 Hz
B. Ultraviolet wave (UV) II.  v=1010 Hz
C. Long radio waves III.  v=1016 Hz
D. Microwave IV.  v=1018 Hz
   
A B C D
1. IV I III II
2. I IV II III
3. I IV III II
4. IV III I II
Subtopic:  Electromagnetic Radiation |
 77%
Level 2: 60%+
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