Infra-red rays areA. Longitudinal wavesB. Transverse wavesC. Mechanica – McqOptions

MCQOPTIONS

1.	Infra-red rays areA. Longitudinal wavesB. Transverse wavesC. Mechanical wavesD. Electromagnetic waves
A.	A and B
B.	B and D
C.	A and C
D.	C and D
Answer» C. A and C

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