1. The speed of light with the rise in the temperature of the medium
(1) Increases
(2) Decreases
(3) Remains unaltered
(4) Drops sharply
2. Which from the following rivers does not originate in Indian territory?
(1) Mahanadi
(2) Brahmaputra
(3) Ravi
(4) Chenab
3. The gas predominantly responsible for global warning is
(1) Carbon dioxide
(2) Carbon monoxide
(3) Nitrous oxide
(4) Nitrogen peroxide
4. 26th January is India's
(1) Independence Day
(2) Republic Day
(3) Revolution Day
(4) Parliament Day
5. Which of the following uses non-conventional Source of Energy?
(1) Kerosene lamp
(2) Wax candle
(3) Solar lantern
(4) Torch
6. Electric current is measured by
(1) Voltmeter
(2) Anemometer
(3) Commutator
(4) Ammeter
7. The dynamo is a device for converting
(1) Heat energy into electrical energy
(2) Mechanical energy into electrical energy
(3) Magnetic energy into electrical energy
(4) None of these
8. Galvanised Iron sheets have a coating of
(1) Tin
(2) Lead
(3) Zinc
(4) Chromium
9. The hardest substance available on earth is
(1) Platinum
(2) Diamond
(3) Quartz
(4) gold
10. Washing soda is the common name for
(1) Calcium carbonate
(2) Calcium bicarbonate
(3) Sodium carbonate
(4) Sodium bicarbonate
Answer:1. (3) 2. (2) 3. (1) 4. (2) 5. (3) 6. (4) 7. (2) 8. (3) 9. (1) 10. (3)
|