A. 4 times
B. 6 times
C. 8 times
D. 2 times
Related Mcqs:
- The length of the second pendulum is________________?
A. 100 cm
B. 99 cm
C. 99.2 cm
D. 98 cm - The length of the second pendulum is_________________?
A. 100 cm
B. 99 cm
C. 99.2 cm
D. 98 cm - The time period of a second pendulum is______________?
A. 4 seconds
B. 3 seconds
C. 2 seconds
D. 6 seconds - A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?
A. Infinite
B. T/g
C. Zero
D. g/T - A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?
A. (F1+F2) (121+122)
B. (F1+F2) (122-112)
C. (F1+F2) (12-11)
D. (F1+F2) (12-11) - The frequency of the second pendulum is________________?
A. 1 hertz
B. 0.5 hertz
C. 1.5 hertz
D. 2.5 hertz - At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?
A. Increase
B. Decrease
C. Remains the same
D. Is zero - A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?
A. 1/4f
B. 1/2f
C. frequency lower than 20 Hz
D. 2f - A convex lens of focal length f1 and a concave lens of focal length f2 are placed in contact. The focal length of the combination is_____________?
A. f2 + f1
B. f2 – f1
C. f1f2/f2+f1
D. f1f2/f1-f2 - The natural frequency of simple pendulum depends upon_______________?
A. It’s mass
B. It’s length
C. Square of its length
D. The square root of its length
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