1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements about energy is correct?
A
Energy can be created as well as destroyed.
B
Energy can be created but not destroyed.
C
Energy can neither be created nor destroyed.
D
Energy cannot be created but can be destroyed.
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Step-up transformers are used for
A
increasing electrical power
B
decreasing electrical power
C
decreasing voltage
D
increasing voltage
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one among the following waves carries the maximum energy per photon?
A
X-rays
B
Radio waves
C
Light waves
D
Microwaves
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A rainbow is produced due to which one of the following phenomena?
A
Dispersion of light
B
Interference of light
C
Diffraction of light
D
Scattering of light by atmospheric dust
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12