PHYSICS : REVISION TEST ON TOPICS OF CLASS XI --XI

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0.328 s
0.628 s
0.137 s
1.00 s
A block of mass m, attached to a spring of spring constant k, oscillates on a smooth horizontal table. The other end of the spring is fixed to a wall. The block has a speed v when the spring is at its natural length. Before coming to an instantaneous rest, if the block moves a distance x from the mean position, then ____.
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A uniform spring of force constant k is cut into two pieces, the lengths of which are in the ratio 1: 2. The ratio of the force constants of the shorter and the longer pieces is ____.
1 : 3
1 : 2
2 : 3
2 : 1
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One-forth length of a spring of force constant K is cut away. The force constant of the remaining spring is ____.
K
4 K
If a spring has time period T, and is cut into n equal parts, then the time period of each part is ____.
nT
T
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10 kg
0.98 kg
5 kg
20 kg
A mass m attached to a spring oscillates every 2 s. If the mass is increased by 2 kg, then time-period increases by 1 s. The initial mass is ____.
1.6 kg
3.9 kg
9.6 kg
12.6 kg
Description:

TOPICS: STRETCHING AND MOTION OF SPRING

Discussion

KISHAN

very good test series

3996 days 14 hours 36 minutes ago

KISHAN

very good test series

3996 days 14 hours 36 minutes ago

Mohammad Aadil

good questions!

4001 days 12 hours 7 minutes ago

Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
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