Science Paper
EVERYDAY SCIENCE : PHYSICS -NO.6
Time: 30 minutes Marks: 100
1. 2. 3.
4. 5. 6.
7. 8. 9. 10. 11. 12. 13. 14.
15. 16. 17.
Which of the following is the best conductor for electricity? A. Distilled water B. Salt water C. Tap water D. Rain water A sprayer works on the principle expounded by A. Newton B. Archimedes C. Boyle D. Pascal Cloudy nights are warmer because A. clouds prevent radiation of heat from the ground into the air B. of low atmospheric pressure C. of the compact density of air D. more dust particles gather in the air A moving body on earth ordinarily comes to rest by itself because of the A. law of inertia B. force of friction C. conservation of momentum D. gravity An isotherm is a line joining places having equal A. Humidity B. Air pressure C. Temperature D. Rainfall Railway tracks are banked on curves so that A. necessary centrifugal force may be obtained from the horizontal component of the weight of the train B. frictional force can be avoided between the tracks and wheels C. necessary centripetal force may be obtained from the horizontal component of the weight of the train D. the train may not fly off in the opposite direction In deserts, clouds do not precipitate because of A. low pressure B. low humidity C. high wind velocity D. low temperature The spinning of Earth on its axis is called A. Rotation B. Revolution C. Orbit D. Movement The ink of a pen leaks out in an aeroplane because A. atmospheric pressure increases B.pressure of ink inside is more than the ambient pressure C. high spe ed of the aeroplane D. temperature difference In an electric kettle water becomes hot by A. conduction B. radiation C. moving particles D. convection Which of the following criteria is necessary for any metal to be used as a cooking utensil? A. less thermal conductivity B. more thermal conductivity C. less electrical conductivity D. more density Clouds float in the atmosphere because of their low A. temperature B. speed C. pressure D. density Light
Time: 30 minutes Marks: 100
1. 2. 3.
4. 5. 6.
7. 8. 9. 10. 11. 12. 13. 14.
15. 16. 17.
Which of the following is the best conductor for electricity? A. Distilled water B. Salt water C. Tap water D. Rain water A sprayer works on the principle expounded by A. Newton B. Archimedes C. Boyle D. Pascal Cloudy nights are warmer because A. clouds prevent radiation of heat from the ground into the air B. of low atmospheric pressure C. of the compact density of air D. more dust particles gather in the air A moving body on earth ordinarily comes to rest by itself because of the A. law of inertia B. force of friction C. conservation of momentum D. gravity An isotherm is a line joining places having equal A. Humidity B. Air pressure C. Temperature D. Rainfall Railway tracks are banked on curves so that A. necessary centrifugal force may be obtained from the horizontal component of the weight of the train B. frictional force can be avoided between the tracks and wheels C. necessary centripetal force may be obtained from the horizontal component of the weight of the train D. the train may not fly off in the opposite direction In deserts, clouds do not precipitate because of A. low pressure B. low humidity C. high wind velocity D. low temperature The spinning of Earth on its axis is called A. Rotation B. Revolution C. Orbit D. Movement The ink of a pen leaks out in an aeroplane because A. atmospheric pressure increases B.pressure of ink inside is more than the ambient pressure C. high spe ed of the aeroplane D. temperature difference In an electric kettle water becomes hot by A. conduction B. radiation C. moving particles D. convection Which of the following criteria is necessary for any metal to be used as a cooking utensil? A. less thermal conductivity B. more thermal conductivity C. less electrical conductivity D. more density Clouds float in the atmosphere because of their low A. temperature B. speed C. pressure D. density Light