1
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
If the length of a copper wire is increased by twice, then its resistivity will be
1
Doubled
2
Halved
3
Same
4
One-fourth
2
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is dimensionless quantity?
1
Stress
2
Strain
3
Pressure
4
Force
3
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A system that does NOT allow exchange of heat with its surrounding is called
1
Adiabatic system
2
Non-adiabatic system
3
Equilibrium system
4
Non-equilibrium system
4
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
If the speed of light in carbon disulfide and vacuum is X X and Y Y respectively, then
1
Y
2
Y
3
≥ Y
4
Y
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