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Q.1: The energy of SHM is maximum at——–?
- Mean position
- Extreme position
- In between mean and extreme
- All positions during SHM
D
Q.2: The product of the frequency and time period is equal to———?
- 1
- 2
- 3
- 4
A
Q.3: The length of the second pendulum is———?
- 100 cm
- 99 cm
- 99.2 cm
- 98 cm
C
Q.4: The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to——–?
- 0°
- 45°
- 90°
- 180°
C
Q.5: For what displacement the P.E becomes 1/4 of its maximum value ?
- x = x’
- x = x’/2
- x = x’/4
- x = x(2)’/2
C
Q.6: A convex lens gives a virtual image only when the objects lies———?
- between principal focus and center of curvature
- beyond 2 f
- at the principal focus
- between principal focus and optical center
D
Q.7: The minimum distance between an object and its real image in a convex lens is——-?
- 2 f
- 2.5 f
- 3f
- 4f
D
Q.8: Dioptre power of an concave lens of 10 cm focal length is——–?
- 10 dioptre
- 10 dioptre
- 1 / 10 dioptre
- 1 / 10 dioptre
B