TN 11TH PHYSICS - Online Test

Q1. A vehicle is moving along the positive x direction, if sudden brake is applied, then
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. A body of mass 1 kg is thrown upwards with a velocity 20 m s−1. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction?. (Take g= 10ms-2
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. A particle is moving with a constant velocity along a line parallel to positive X-axis. The magnitude of its angular momentum with respect to the origin is,
Answer : Option D
Explaination / Solution:
No Explaination.


Q4. The time period of a satellite orbiting Earth in a cirular orbit is independent of
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. For a given material, the rigidity modulus is (1/3) rd of Young’s modulus. Its Poisson’s ratio is
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. An ideal gas passes from one equilibrium state (P1, V1, T1, N) to another equilibrium state (2P1, 3V1, T2, N). Then
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. Two identically sized rooms A and B are connected by an open door. If the room A is air conditioned such that its temperature is 4° lesser than room B, which room has more air in it?
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. A simple pendulum is suspended from the roof of a school bus which moves in a horizontal direction with an acceleration a, then the time period is
Answer : Option B
Explaination / Solution:
No Explaination.


Q9.

Which of the following options is correct?.


Options for (1), (2) and (3), respectively are
Answer : Option A
Explaination / Solution:
No Explaination.


Q10. The length of a body is measured as 3.51 m, if the accuracy is 0.01mm, then the percentage error in the measurement is
Answer : Option C
Explaination / Solution:
No Explaination.