Sound
- Match List - I (Electromagnetic wave) with List - II (Discoverer) and select the correct answer using the codes given below
CodeList-I List-II F Infrared waves 1. W. Roentgen G Ultraviolet rays 2. Newton H X - rays 3. Herschell J Visible rays 4. Ritter F G H J A. 1 2 3 4 B. 3 4 1 2 C. 3 4 2 1 D. 4 3 1 2
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NA
Correct Option: B
NA
- Match List - I (Eletromagnetic radiation) with List - II (Approximate wavelength in metres) and select the correct answer using the codes given below the lists
Codes :List-I List-II F Infrared radiation 1. 10-12 G X - rays 2. 10-5 H Ultraviolet radiation 3. 10-10 J Gamma rays 4. 10-8 F G H J A. 2 3 4 1 B. 1 4 3 2 C. 1 3 4 2 D. 2 4 3 1
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NA
Correct Option: A
NA
- Match List - I (frequency range) with List - II (Uses) and select the correct answer
CodeList-I List-II F 54 MHz to 890 MHz 1. UHF band G 1710 kHz to 54 MHz 2. Television waves H 88 MHz to 108 MHz 3. Short wave J 300 MHz to 30,000MHz 4. FM radio F G H J A. 1 2 3 4 B. 2 3 4 1 C. 4 3 2 1 D. 3 2 1 4
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NA
Correct Option: B
NA