General Physics Questions And Answers, Set 49

 

General Physics Questions And Answers


Q1. 
The product of an extensive and intensive variable is?

Ans.
Extensive


Q2. 
ΔU=0 means that the process is isothermic. True or False?

Ans.
True


Q3. 
First law of thermodynamics is based on?

Ans.
Conservation of energy


Q4. 
Internal energy of a system is defined as?

Ans.
The sum of kinetic and potential energies of all molecules of the system


Q5. 
Select the correct statement.

Ans.
Heat is a path variable


Q6. 
Damping force on a spring mass system is proportional to which of the following quantities?

Ans.
Velocity


Q7. 
What happens to the energy of a particle, in SHM, with time in the presence of damping forces?

Ans. 
Decreases exponentially


Q8. 
Which of the following factors affects the time period of a simple pendulum?

Ans. 
Length of string


Q9. 
What is the length of a seconds pendulum?

Ans.
1m


Q10. 
Two simple pendulums of the same length are released from 10° & 20° respectively. Select the correct statement.

Ans.
They both will reach the mean position at the same time


Post a Comment

0 Comments