1
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following formulas does not represent electrical power?
A
I2 R
B
I R2
C
V I
D
V2/R
2
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The sound created in a big hall persists because of the repeated reflections. The phenomenon is called
A
Reverberation
B
Dispersion
C
Refraction
D
Diffraction
3
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
When light scattered by a molecule and the frequency of the scattered light is changed, this phenomenon is called
A
Rayleigh scattering
B
Raman effect
C
Photoelectric effect
D
Rutherford scattering
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