English

1 J = ______ calorie. - Physics

Advertisements
Advertisements

Question

1 J = ______ calorie.

Fill in the Blanks

Solution

1 J = 0.24 calories.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Work, Energy and Power - Exercise 2 (A)c1 [Page 28]

APPEARS IN

Selina Physics [English] Class 10 ICSE
Chapter 2 Work, Energy and Power
Exercise 2 (A)c1 | Q 20.1 | Page 28

RELATED QUESTIONS

When does a force perform work?


State the S.I. unit of work and define it.


How is work related to energy?


Is it possible that a force is acting on a body but still the work done is zero? Explain giving one example.


How much work is done when a force of 1 N moves a body through a distance of 1 m in its own direction?


When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.


How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.


Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.


Ravi applied a force of  10 N and moved a book 30 cm in the direction of the force. How much was the work done by Ravi?


Name the physical quantity whose SI unit is Nm.


What are the quantities on which the work done depends?

Give two examples of kinetic energy.

Name the type of energy possessed by a
(i) stretched catapult        (ii) hot iron
(iii) wound up clock


Write the S.I. units of power.

What do you understand by 'potential energy' and 'Kinetic energy'? Give three examples of each to illustrate your answer.


Fill in the boxe to show the corresponding energy transformation.


If 60% of the potential energy available in a waterfall is converted into heat energy, find the height of the waterfall, when the temperature difference between the top and the bottom of the fall is 0.210C (sp. Heat cap. Of water = 4200J/kgK).

Name two places in India where electricity is generated from nuclear power plants.


The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?


State whether work is done or not, by writing yes or no, in the following case:

A man pushes a wall.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×