General Physics Questions And Answers, Set 40

 

General Physics Questions And Answers


Q1. 
Kepler’s laws of planetary motion replaced circular orbits with _____

Answer :  
elliptical orbits


Q2. 
What is the constant of proportionality in Kepler’s law of periods known as?

Answer :   
There is no constant of proportionality


Q3. 
Which of the following represents volumetric strain?

Answer :  
ΔV/V


Q4. 
What does the area under the stress-strain curve represent?

Answer :  
Toughness


Q5. 
Stress, like pressure, is always perpendicular to a plane. True or False?

Answer :   
False


Q6. 
The forces responsible for a body regaining its shape after removal of deforming forces are _____

Answer :   
electromagnetic forces between atoms


Q7. 
Viscosity is said to be internal friction between fluid layers. What type of force is it?

Answer :   
Electromagnetic


Q8. 
On which these factors does air/fluid resistance force, acting on a spherical body, not depend?

Answer :   
Density of body


Q9. 
On which of these following options is the continuity equation based?

Answer :   
Conservation of mass


Q10. 
Which of the following quantities has the same S.I. unit as that of pressure?

Answer :  
mass X (velocity)2/Volume


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