An object moves in a circular path of radius 0.5m with a speed of 1m/s¹. What is its angular velocity?

5 years ago

A. 8rads−¹ B. 4rads−¹ C. 1rads−¹ D. 2rads−¹ Correct Answer: Option D - 2rads−¹

In homes; electrical appliances and lamps are connected in parallel because?

5 years ago

A. less current will be used B. less voltage will be used C. parallel connection does not heat up the…

In the diagram shown; If the south-poles of two magnets stroke a steel bar; the polarities at T and V will respectively be?

5 years ago

A. north and south B. south and south C. north and north D. south and north Correct Answer: Option C…

Musical instruments playing the same note can be distinguished from one another owing to the difference in their?

5 years ago

A. quality B. pitch C. intensity D. loudness Correct Answer: Option B - pitch

Convex mirrors are used as driving mirrors because images formed are?

5 years ago

A. erect, Virtual and diminished B. erect, real and diminished C. erect, virtual and magnified D. inverted, virtual and diminished…

The differences observed in solids; liquids and gases may be accounted for by?

5 years ago

A. their relative masses B. their melting points C. the spacing and forces acting between the molecules D. the different…

The process whereby a liquid turns spontaneously into vapour is called?

5 years ago

A. regelation B. evaporation C. boiling D. sublimation Correct Answer: Option B - evaporation

Electrical appliances in homes are normally earthed so that

5 years ago

A. a person touching the appliances is safe from electric shock B. both the a.c. and d.c. sources can be…

The time rate of loss of heat by a body is proportional to the?

5 years ago

A. temperature of its surroundings B. temperature of the body C. difference in temperature between the body and its surroundings…