1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The specific latent heat of vaporization of a substance is the quantity of heat needed to change unit mass from
A
liquid to vapour with a change of temperature
B
liquid to vapour without a change of temperature
C
vapour to liquid without a change of temperature
D
vapour to liquid with a change of temperature
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Evaporation from the surface of a given liquid takes place more rapidly when
A
the temperature is high and the surface area of the liquid is large
B
the temperature is low and the surface area of the liquid is large
C
the temperature is low and the surface area of the liquid is small
D
the temperature is high and the surface area of the liquid is small
3
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which of the following statements correctly explains/explain the existence of a positive force between two electric charges?

1. Both the charges are positive.

2. Both the charges are negative.

3. Both the charges are oppositely charged.

Select the correct answer using the code given below.
A
1 only
B
2 only
C
1 and 2 only
D
1, 2 and 3
4
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
An electric wire of resistance 50 ohm is cut into five equal wires. These wires are then connected in parallel. What is the equivalent resistance of this combination?
A
2 ohm
B
10 ohm
C
0.5 ohm
D
5 ohm
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