Science Class 6th
361. When current passes through a heater, electrical energy is converted into?
A. Heat energy
B. Potential energy
C. Kinetic energy
D. All of these
362. In Burning of Coal, heat energy is converted to?
A. Light energy
B. Potential energy
C. Kinetic energy
363. When Current passes through electrical bulb, electrical energy is converted into?
A. Heat energy
B. Light energy
C. Both ‘a’ and ‘b’
D. None of these
364. In burning of Petrol, engine of car convert chemical energy into?
A. Heat energy
B. Light energy
C. Mechanical energy
D. Both ‘a’ and ‘c’
365. Loud speaker converts electrical energy into?
A. Sound energy
B. Light
C. Heat
D. None of these
366. ‘One form of energy can be converted into another form, but total energy remains constant’’
A. Law of heat
B. Law of energy
C. Law of conservation of energy
D. None of these
367. Radio converts electrical energy into?
A. Sound
B. Heat
C. Light
D. Kinetic
368. TV converts electrical into ________ energy.
A. Light
B. Sound
C. Both ‘a’ and ‘b’
D. All of these
369. A drill machine converts electrical energy into?
A. Mechanical
B. Heat
C. Sound
D. All of these
370. Electrical motor in washing machine converts electrical energy into?
A. Potential energy
B. Electrical Kinetic Energy
C. None of these
371. Calculator converts Chemical energy into?
A. Electrical Energy
B. Kinetic Energy
C. Both ‘a’ and ‘b’
D. All of these
372. Energy generated from natural resources is called?
A. Renewable
B. Non Renewable
C. None of these
373. Energy from Sun Light, wind, and tides are _________ sources of energy.
A. Renewable
B. Non Renewable
C. None of these
374. Solar energy can be converted into electricity with the help of?
A. Cells
B. Battery
C. Solar Cells
D. None of these
375. Wind mills are used to generate electricity by rotating?
A. Turbines
B. Cells
C. Panels
D. None
376. Which of the following are renewable sources of energy? a. Tidal
A. Tidal
B. Geothermal
C. Biomass
D. All of these
377. According to Scientists, coal would be depleted in next?
A. 1600 years
B. 1500 years
C. 3000 years
D. None of these
378. Natural gas would be depleted in next?
A. 100 years
B. 200 years
C. 120 years
D. None of these
379. Sources of oil would be depleted in next _______ years.
A. 60
B.. 70
C. 80
D. 90
380. Our body needs energy ______ time.
A. Some
B. All
C. Never
D. None