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