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If the length of the simple pendulum is ...

If the length of the simple pendulum is equal to the radius of the earth, anf it oscillates just above the surface of the earth then its time period is
a. `2pisqrt(R/(2g))`
b. `2pisqrt(R/g)`
c. nearly `59.5` minutes
d. `84.6` minutes

A

a is only correct

B

b is only correct

C

a and c are correct

D

a and b are correct

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-OSCILLATIONS-PRACTICE EXERCISE - SPRINGS
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  4. Two springs of spring constants 1500N//m and 3000N//m respectively are...

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  5. A light vertical spring is stretched by 2cm when a weight of 10g is at...

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  6. A long spring when stretched by 'x'cm has a potential energy 'V'. On i...

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  7. A spring of force constant 'K' is cut into two pieces such thal one pi...

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  8. Two springs having spring constants 25N//m and 16N//m are stretched by...

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  9. Two bodies A and B of equal masses are suspended from two separate mas...

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  10. Springs of constants k, 2k, 4k, 8k, 16k ...... are connected in series...

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  11. Two masses m(1) and m(2) are suspended from a spring of spring constan...

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  12. If a spring has time period 'T' and cut into 'n' equal parts, then the...

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  13. Three masses 700 gm, 500 gm and 400 gm are suspended at the end of the...

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  14. When some load is attached to the spring of spring constant then it el...

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  15. A spring balance has a scale that reads 0 to 10 kg. The length of the ...

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  16. The amplitude of a damped oscillator decreases to 0.9 times its origin...

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  17. A particle is executing simple harmonic motion with an amplitude of 2m...

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