Physics - Online Test
Q1. A
container has one mole of monoatomic ideal gas. Each molecule has f degrees of
freedom. What is the ratio of γ = Cp/Cv
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. A
simple pendulum has a time period T1.
When its point of suspension is moved
vertically upwards according as y = k t2, where y is vertical distance covered and k = 1 ms−2, its time period becomes T2. Then T12/T22
is (g=10ms-2)
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. An air column in a pipe which is closed at one end, will be in resonance with the vibrating body of frequency 83Hz. Then the length of the air column is
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. The dimensional formula of Planck's constant h is
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. A ball is projected vertically upwards with a velocity v. It comes back to ground in time t. Which v-t graph shows the motion correctly?
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. Force acting on the particle moving with constant speed is
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. The work done by the conservative force for a closed path is
Answer : Option B
Explaination / Solution:
No Explaination.
Q8. When a mass is rotating in a plane about a fixed point, its angular momentum is directed along,
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. The work done by the Sun’s gravitational force on the Earth is
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. Which of the following is not a scalar?
Answer : Option D
Explaination / Solution:
No Explaination.
