MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 168 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The term Isoneph indicates the lines of equal |
| A. | cloudiness |
| B. | salinity |
| C. | rainfall |
| D. | pressure |
| Answer» B. salinity | |
| 152. |
Boyle s law is a relationship between |
| A. | Pressure and volume |
| B. | Volume and temperature |
| C. | Volume and density |
| D. | Pressure and temperature |
| Answer» B. Volume and temperature | |
| 153. |
The mass-energy relation is the outcome of |
| A. | quantum theory |
| B. | general theory of relativity |
| C. | field theory of energy |
| D. | special theory of relativity |
| Answer» E. | |
| 154. |
Cryogenics is a science dealing with |
| A. | high temperatures |
| B. | low temperatures |
| C. | friction and wear |
| D. | growth of crystals |
| Answer» C. friction and wear | |
| 155. |
The term equinox means |
| A. | The path which the Earthtakes around the Sun |
| B. | The axis of the Earth around which it rotates |
| C. | When the day and night are of equal duration |
| D. | The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon |
| Answer» D. The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon | |
| 156. |
When a barometer reading suddenly recedes, it indicates that climate |
| A. | will be very warm |
| B. | will be extremely stormy |
| C. | will remain cold |
| D. | incessant rain for at least 48 |
| Answer» C. will remain cold | |
| 157. |
While catching a ball, a player pulls down his hands to lower the |
| A. | force |
| B. | momentum |
| C. | impulse |
| D. | catching time |
| Answer» C. impulse | |
| 158. |
What is viewed through an electron microscope? |
| A. | Electrons and other elementary particles |
| B. | Structure of bacteria and viruses |
| C. | Inside of human stomach |
| D. | Inside of the human eye |
| Answer» C. Inside of human stomach | |
| 159. |
The best conductor of heat among the following is |
| A. | alcohol |
| B. | mercury |
| C. | ether |
| D. | water |
| Answer» C. ether | |
| 160. |
Which of the following statements is true when we see rainbow ? |
| A. | We face sun and raindrops |
| B. | The Sun remains behind us and we face raindrops |
| C. | In light rainfall, we face Sun |
| D. | The sky remains clear and the sun is at lower position in the sky |
| Answer» C. In light rainfall, we face Sun | |
| 161. |
Ultra violet radiations of the Sun do not reach the earth because, earth s atmosphere is surrounded by |
| A. | Carbon dioxide |
| B. | Ammonia |
| C. | Chlorine |
| D. | Ozone |
| Answer» E. | |
| 162. |
Curie is unit of : |
| A. | Radioactivity |
| B. | Temperature |
| C. | Heat |
| D. | Energy |
| Answer» B. Temperature | |
| 163. |
The source of the Sun s energy is the process of |
| A. | Photoelectric emission |
| B. | Nuclear fission |
| C. | Nuclear fusion |
| D. | Thermionic emission |
| Answer» D. Thermionic emission | |
| 164. |
When heated from 00 to 100C volume of a given mass of water will : |
| A. | Increase gradually |
| B. | Decrease gradually |
| C. | Increase and then will decrease |
| D. | Decrease and then will increase |
| Answer» E. | |
| 165. |
Which of the following is used in oven ? |
| A. | X-rays |
| B. | UV rays |
| C. | Microwaves |
| D. | Radiowaves |
| Answer» D. Radiowaves | |
| 166. |
A circular plate, a cube and a sphere, all made up of same material and having the same |
| A. | Circular plate |
| B. | Cube |
| C. | Sphere |
| D. | All will cool at the same rate |
| Answer» D. All will cool at the same rate | |
| 167. |
Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite |
| A. | 1.0 |
| B. | 1.2 |
| C. | 1.5 |
| D. | 2.0 |
| Answer» B. 1.2 | |
| 168. |
Which among the following types of coal produces most heat per unit ? |
| A. | Coal |
| B. | Lignite |
| C. | Anthracite |
| D. | Pit |
| Answer» D. Pit | |