Physics - Section 1 Multiple Questions and Answers.
Exercise Questions ::
Physics - Section 1
46. On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because A. metals have higher thermal capacity than plastics B. plastics have a lower density than metals C. metals are good conductor of heat D. plastics have a higher thermal conductivity than metals
View Answer Discuss forum Workplace Report
Published by:Ifrah Hameed
47. Intensity of sound at a point is ____ its distance from the source. A. directly proportional to B. inversely proportional to C. directly proportional to square of D. inversely proportional to square of
View Answer Discuss forum Workplace Report
Published by:Ifrah Hameed
48. Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open A. at sea level B. at the top of Mt. Everest C. at a place in a valley below sea level D. in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
View Answer Discuss forum Workplace Report
Published by:Ifrah Hameed
49. Radio telescopes are better than optical telescopes because A. they can detect faint galaxies which no optical telescope can B. they can work even in cloudy conditions C. they can work during the day and night D. All of the above
View Answer Discuss forum Workplace Report
Published by:Ifrah Hameed
Published by:Ifrah Hameed
« »
