Physics - Section 1 Multiple Questions and Answers.
Exercise Questions ::
Physics - Section 1
Published by:Ifrah Hameed
72. | Planets are |
| |
| A. | luminous heavenly bodies revolving around a star |
| B. | non-luminous heavenly bodies |
| C. | luminous heavenly bodies that twinkle |
| D. | luminous heavenly bodies that do not twinkle |
|
|
Published by:Ifrah Hameed
73. | Mica is used in electrical appliances such as electric iron because mica is |
| |
| A. | a good conductor of heat but a bad conductor of electricity |
| B. | a bad conductor of heat but a good conductor of electricity |
| C. | a good conductor of heat as well as electricity |
| D. | a bad conductor of heat as well as electricity |
|
|
Published by:Ifrah Hameed
74. | It is easier to roll a barrel full of coal tar than to pull it because |
| |
| A. | the full weight of the barrel comes into play when it is pulled |
| B. | the rolling friction is much less than the sliding friction |
| C. | more surface area of the barrel is in contact with the road when it is pulled |
| D. | coal tar is a liquid and it flows in the barrel when it is rolled |
|
|
Published by:Ifrah Hameed
Published by:Ifrah Hameed
«»