Home
Class 11
PHYSICS
A pendulum clock is 5 s fast at tempera...

A pendulum clock is 5 s fast at temperature of `15^@ C` and 10 s slow at a temperature of 30 C At what temperature does it give the correct time ? ( take time interval = 24 hours )

A

`18^(@) C`

B

`20^(@) C`

C

`22^(@) C`

D

`25^(@) C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A pendulum clock is 5 sec. Slow at a temperature 30^(@)C and 10 sec. fast at a temperature of 15^(@)C , At what temperature does it give the correct time-

A pendulum clock ( fitted with a small heavy bob that is connected with a metal rod ) is 3 seconds fast each day at a temperature of 15^(@)C and 2 seconds slow at a temperature of 30^(@)C . Find the temperature ( in ""^(@)C ) at which will show the correct time.

A pendulum clock loses 12 s a day if be the temperature is 40^(@)C and gains 4 s a day if the temperature is 20^(@)C . The temperature at which the clock will show correct time and the coefficient of linear expansion alpha of the pendulum shaft are, respectively

A clock with a metallic pendulum gains 5 s each day at a temperature of 15^@C and loses 10 s each day at a temperature of 30^@C . Find the coefficient of thermal expansion of the pendulum metal.

The ratio of the resistances of a conductor at a temperature of 15^(@)C to its resistance at a temperature of 37.5^(@)C is 4:5 . The temperature coefficient of resistance of the conductor is

A pendulum clock gives correct time at 20^@C at a place where g=9.800 m s^(-2) .The pendulum consists of a light steel rod connected to a heavy ball. It is taken to a different place where g=9.788 m s^(-2) . At what temperature will it give correct time ? coefficient of linear expansion of steel = 12 xx 10^(-6)C^(-1) .

A frog with body temperature of 20^@C is transferred to an area with 30^@C temperature. What will be the body temperature of frog in the new environment?

A container is filled with hydrogen gas at a pressure of 15 atm at 15^@C . At what temperature will the pressure inside the container be 30 atm ?

A body is heated to a temperature 40^(@)C and kept in a chamber maintained at 20^@C . If the temperature of the body decreases to 36^@C in 2 minutues, then the time after which the temperature will further decrease by 4^@C , is

The following graph show the temprature of a patient in a hospital, recorded every hour, (a) What was the patient's temperature at 1 p.m.? *b) When was the patient's temperature 38.5^@ C ? (c) The patient’s temperature was the same two times during the period given. What were these two times? (d) What was the temperature at 1.30 p.m.? How did you arrive at your answer? (e) During which periods did the patients’ temperature showed an upward trend?