Nootan Class 12 Physics Solution. We covered all the Nootan Class 12 Physics Solution in this post for free so that you can practice well for the exam.
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Nootan Class 12 Physics Mock Test for Students
The period of oscillation of a simple pendulum decrease by 10% when its length is decreased by 19 cm. Then its initial length :
(A) 49 cm
(B) 98 cm
(C) 100 cm
(D) 490cm
Option c – 100 cm
The bob of a simple pendulum of length 50 cm has a speed of 3 m/s at its lowest position. When the length of the pendulum makes an angle of 60⁰ with the vertical then the speed of the bob is :
(A) 3 m/s
(B) 2 m/s
(C) 1.5 m/s
(D) 1 m/s
Option b – 2 m/s
The period of oscillation of a simple pendulum gets doubled when its length is increased by 1.2 m then its original length is :
(A) 0.2 m
(B) 0.1 m
(C) 0.3 m
(D) 0.4 m
Option d – 0.4 m
The time period of a simple pendulum is 2 s. If its length is increased by 4 times, the time period becomes :
(A) 4 S
(B) 6 S
(C) 8 S
(D) 2 S
Option a – 4 S
If a watch with a wound spring is taken to the moon, it :
(A) runs faster
(B) runs slower
(C) does not work
(D) shows no change
Option d – shows no change
In a second pendulum mass of the bob is 30 gm. If it is replaced by 90 gm mass. Then its time period will be :
(A) 1 s
(B) 2 s
(C) 4 s
(D) 3 s
Option b – 2 s
If the length of a simple pendulum is increased by 2% then the time period :
(A) Decreases by 2%
(B) Increases by 2%
(C) Increases by 1%
(D) Decreases by 1%
Option c – Increases by 1%
We covered all the nootan class 12 physics solution above in this post for free so that you can practice well for the exam.
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