Q7. Correct match of column I with column II isC-l (waves) C-ll (Production Infra-red, radio, light

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Q7. Correct match of column I with column II is
C-l (waves) C-ll (Production)
(1) Infra-red S . Vibration of atoms and molecules
(2) Radio P . Rapid vibration of electrons in aerials
(3) Light Q . Electrons in atoms emit light when they move from higher to lower energy level.
(4) Microwave R . Klystron valve
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Sir please ray optics ka 3 mark imp. Question 😱

UjjwalChaudhary-hfer