1
NDA General Ability 21 April 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

If the current through an electrical machine running on direct current is $15 A$ and the machine runs for $10$ minutes, the charge that passes through the machine during this time is:

A

$1.50 C$

B

$150 C$

C

$900 C$

D

$9000 C$

2
NDA General Ability 21 April 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which one of the following is the best shape of a solid metal rod to form the top end of a lightning conductor?

A
NDA General Ability 21 April 2024 General Science - Physics Question 97 English Option 1
B
NDA General Ability 21 April 2024 General Science - Physics Question 97 English Option 2
C
NDA General Ability 21 April 2024 General Science - Physics Question 97 English Option 3
D
NDA General Ability 21 April 2024 General Science - Physics Question 97 English Option 4
3
NDA General Ability 21 April 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which of the following forces is/are fundamental in nature?

1. Gravitational force

2. Electromagnetic forces

3. Strong and weak nuclear forces

Select the correct answer using the code given below :

A

1 only

B

1 and 2 only

C

2 and 3 only

D

1, 2 and 3

4
NDA General Ability 21 April 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

A spherical shell of outer radius R and inner radius R/2 contains a solid sphere of radius R/2 (see figure). The density of the material of the solid sphere is ρ and that of the shell is ρ/2. What is the average mass density of the larger sphere thus formed?

NDA General Ability 21 April 2024 General Science - Physics Question 95 English
A

3ρ/4

B

9ρ/16

C

7ρ/8

D

5ρ/8

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