Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 71  75 of 195
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Question number: 71
» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring
Question
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the short piece will have a force constant of
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 72
» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring
Question
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 73
» Oscillations and Waves » Simple Harmonic Motion » Energy
Assertion (Ꭺ)
The graph of total energy of a particle in SHM w. r. t, position is a straight line with zero slope.
Reason (Ꭱ)
Total energy of particle in SHM remains constant throughout its motion.
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ 

b.  Ꭺ is false but Ꭱ is true 

c.  Both Ꭺ and Ꭱ are false 

d.  Ꭺ is true but Ꭱ is false 

Question number: 74
» Oscillations and Waves » Simple Pendulum
Question
The length of a simple pendulum is increased by 5%. Its time period will
Choices
Choice (4)  Response  

a.  Increase by 2.5% 

b.  Increase by 2% 

c.  Decrease by 5% 

d.  Increase by 3.5% 

Question number: 75
» Oscillations and Waves » Periodic Functions
Question
The time period of a simple pendulum of length L as measured in an elevator descending with acceleration is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

