NEET Physics: Questions 1660  1664 of 2098
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Question number: 1660
» Oscillations and Waves » Simple Pendulum
Question
The bob of a simple pendulum is displaced from its equilibrium position O to a position Q which is at height h above O and the bob is then released. Assuming the mass of the bob to be m and time period of oscillations to be 2.0 sec, the tension in the string when the bob passes through O is,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 1661
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
The maximum velocity and the amplitude of a body moving in a simple harmonic oscillator are 4 m/s and 2 m. Then angular velocity will be
Choices
Choice (4)  Response  

a.  1 rad/sec 

b.  0.5 rad/sec 

c.  3 rad/sec 

d.  2 rad/sec 

Question number: 1662
» Oscillations and Waves » Simple Harmonic Motion » Phase
Question
A particle executes simple harmonic motion [amplitude = A] between x =A and x =+A. The time taken for it to go from 0 to is T _{1} and to go from to A is T _{2}. Then
Choices
Choice (4)  Response  

a.  T _{1} < T _{2} 

b.  T _{1 } = 2T _{2} 

c.  T _{1 } = T _{2} 

d.  T _{1 } > T _{2} 

Question number: 1663
» Oscillations and Waves » Periodic Functions
Question
Two masses m _{1} and m _{2} are suspended together by a massless spring of constant k. When the masses are in equilibrium, m _{1 } is removed without disturbing the system. The amplitude of oscillations is,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 1664
» Electronic Devices » Semiconductor Diode
Question
In the given figure, which of the diodes are forward biased?
Select the correct answers and mark it according to the following codes:
Codes:
Choices
Choice (4)  Response  

a.  1, 2 and 3 are correct 

b.  1 and 2 are correct 

c.  2 and 4 are correct 

d.  1 and 3 are correct 
