1
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
An astronaut whose weight on the Earth is 600 N experiences weightless- ness on International Space Station orbiting around the Earth. It means that
1
acceleration of the astronaut is zero
2
normal reaction of the space- station floor on the astronaut is zero
3
gravitational pull of earth on the astronaut is zero
4
space station applies a centrifugal force on the astronaut
2
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which of the following statements give characteristics of contact forces?

1. It appears between an object when it is in contact with some other object

2. It satisfies the third law of motion

3. It may appear between a pair of solid and fluid

Select the answer using the code given below:

1
1 and 3 only
2
2 and 3 only
3
1 and 2 only
4
1, 2 and 3
3
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one among the. following figures correctly represents the ray diagram ? (Consider the lens to be thin)
1
NDA General Ability 1st September 2024 General Science - Physics Question 21 English Option 1
2
NDA General Ability 1st September 2024 General Science - Physics Question 21 English Option 2
3
NDA General Ability 1st September 2024 General Science - Physics Question 21 English Option 3
4
NDA General Ability 1st September 2024 General Science - Physics Question 21 English Option 4
4
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Lightning is due to 
1
The flow of charges between different parts of the cloud
2
The short-circuiting of charges between the upper and lower surfaces of the cloud 
3
The collection of positively charged particles on the base and collection of negatively charged particles at the top of the cloud  
4
The induction of positive charge on the ground below the negative charge at the base of the cloud 
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