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Question : 32
Total: 37
Name the electromagnetic waves with their frequency range, produced in
(a) some radioactive decay
(b) sparks during electric welding
(c) TV remote
(a) some radioactive decay
(b) sparks during electric welding
(c) TV remote
Solution:
(a) Electromagnetic wave produced in some radioactive decay is γ > 3 × 10 17 Hz
(b) Electromagnetic wave produced in arc welding are UV( 7.5 × 10 14 − 3 × 10 16 Hz ) , IR ( 3 × 10 12 − 4.3 × 10 14 Hz ) ( 4.3 × 10 14 − 7.5 × 10 14 . Hz
(c) Electromagnetic wave produced in TV remote is IR rays.
(b) Electromagnetic wave produced in arc welding are UV
(c) Electromagnetic wave produced in TV remote is IR rays.
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