Two spheres 'A' and 'B' of masses in the...

Two spheres `'A'` and `'B'` of masses in the rario `1:2` Specific heats in the ratio `2:3` falls from heights `'h_(1)'` and `'h_(2)'` On reaching the ground rise in temperatures are equal, then `h_(1)//h_(2)=`

`3:2`

`2:9`

`2:3`

`2:1`

Text Solution

Verified by Experts

The correct Answer is:

`mgh=JmSDelta0implieshalphaSimplies(h_(1))/(h_(2))=(S_(1))/(S_(2))`

Topper's Solved these Questions

THERMAL PROPERTIES OF MATTER
NARAYNA|Exercise LEVEL - II (H.W.)|19 Videos
TRANSMISSION OF HEAT
NARAYNA|Exercise LEVEL-II(C.W)|27 Videos

Similar Questions

Explore conceptually related problems

Two spheres A and B with masses in the ratio 2:3 and specific heat 2:3 fall freely from rest. If the rise in their temperature on reaching the ground are in the ratio 1:2 the ratio of their heights of fall is

Two masses m and 2m are dropped from height h and 2h. On reaching the ground, which will have a greater kinetic energy and why ?

Two bodies of masses m _(1) and m _(2) fall from heights h _(1) and h _(2) respectively. The ratio of their velocities when the hit the ground is

In the previous problem, if H_(1) and H_(2) are the maximum heights in the two cases, then

Two satellites 'A' and 'B' of masses ten and twenty metric tons revolve around the Earth at two different height h_(1) and h_(2) from the surface of the Earth. If earth's gravitational pull on these two satellites at these heights is equal, then find the ratio of their distances from the centre of the Earth . (Radius of the Earth = 6400 km)

A ball takes ' t seconds to fall from height h_(1) and 3t seconds to fall from a height h_(2) .Then (h_(1))/(h_(2)) is

Two balls are dropped from heights h and 2h respectively. The ratio of time taken by these balls to reach the earth is

NARAYNA-THERMODYNAMICS-Exercise

Hail stone fall from certain heigh. If only 2% of the mass of the hail...
Text Solution
|
From what minimum height a block of ice has to be dropped in order tha...
Text Solution
|
Two spheres 'A' and 'B' of masses in the rario 1:2 Specific heats in t...
Text Solution
|
2kg ice block should be dropped form 'x' km' height to melt completely...
Text Solution
|
Two metal balls having masses 50g and 100g collides with a target wit...
Text Solution
|
A brick weighing 4.0 kg is dropped into a 1.0m deep river from a heig...
Text Solution
|
A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficie...
Text Solution
|
2kg of water is converted into steam by bolling at atmosperic pressure...
Text Solution
|
Find the external workdone by the system in K cal, when 12.5 k cal of ...
Text Solution
|
Heat of 20 K cal is supplied to the system and 8400 J of external work...
Text Solution
|
A gas expands from 40 liters to 90 liters at a constant pressure of 8 ...
Text Solution
|
To a system 300 joules od heat is given and it does 60 joules of work....
Text Solution
|
A gas under constant pressure of 4.5 xx 10^(5) Pa when subjected to 80...
Text Solution
|
Find the change in internal energy in joule when 20gm of a gas is heat...
Text Solution
|
When two moles of a gas is heated from O^(0) to 10^(0)C at constant vo...
Text Solution
|
A cylinder of fixed capacity 67.2 liters contains helium gas at STP . ...
Text Solution
|
When a diatomic gas expands at constant pressure, the precentage of he...
Text Solution
|
The molar specific heat of a gas at constant volume is 20 Joule mol^(-...
Text Solution
|
The specific heat of air at constant pressure is 1.005 kJ//kg//K and t...
Text Solution
|
Calculate the specific heat of a gas at constant volume from the follo...
Text Solution
|