Advertisements
Advertisements
प्रश्न
Name the device or machine which convert :
Chemical energy into heat energy.
Advertisements
उत्तर
A gas stove converts chemical energy into heat energy.
APPEARS IN
संबंधित प्रश्न
State whether the object possess kinetic energy, potential energy, or both :
A man climbing a hill _____________.
State whether the object possess kinetic energy, potential energy, or both :
A stretched spring lying on the ground ____________.
What kind of energy is possessed by the following?
A running car ____________
Name the device or machine which convert :
light energy into heat energy.
A bulb lights up when connected to a battery. State the energy change which takes place :
What is the meaning of the symbol kWh? What quantity does it represent?
How much electric energy in kWh is consumed by an electrical appliance of 1000 watts when it is switched on for 60 minutes?
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
In the case of negative work, the angle between the force and displacement is
A girl with having a mass of 35 kg sits on a trolley of mass 5 kg. The trolley is given an initial velocity of 4 m s–1 by applying a force. The trolley comes to rest after traversing a distance of 16 m. (a) How much work is done on the trolley? (b) How much work is done by the girl?
