Practice MCQ Questions and answers on Physics-GK

A. 10^3 ergs

B. 10^6 ergs

C. 10^7 ergs

D. 10^5 ergs

A. Creates mechanical energy

B. Creates electrical energy

C. Converts mechanical energy into electrical energy

D. Converts electrical energy into mechanical energy

A. Mechanical energy into electrical energy

B. Electrical energy into mechanical energy

C. Electrical energy into magnetic energy

D. Magnetic energy into mechanical energy

A. Mechanical energy to electric energy

B. Heat energy to mechanical energy

C. Light energy to chemical energy

D. Light energy to electrical energy

A. Heat energy into electrical energy

B. Mechanical energy into electrical energy

C. Magnetic energy into electrical energy

D. Chemical energy into electrical energy

A. Zero

B. Unity

C. Same

D. Variable

A. 50 J

B. 30 J

C. 20 J

D. 40 J

A. Become 4 times

B. Becomes 1/4 th

C. Is also doubled

D. Becomes half

A. Transpiration

B. Photosynthesis

C. Diffusion

D. Osmosis

A. Paddling the bicycle to cover a distance

B. Driving a car to cover a distance

C. Wind mill grinding wheat grain

D. Rowing a boat in the lake