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May 4, 2021 - Daily Quiz
1. If there were no atmosphere, the length of the day would
(a) increase
(b) decrease
(c) remains unchanged
(d) be half
2. Twinkling of stars can be partly attributed to
(a) intermittent shining
(b) convection currents in the atmosphere
(c) atmospheric refraction
(d) the unstable motion
3. If one approaches a plane mirror at the speed of 10cm/s than his image will be approaching him at speed of
(a) 15cm/s
(b) 20cm/s
(c) 30cm/s
(d) 25cm/s
4. The gas that is produced during lightning is
(a) Nitrous Oxide
(b) Nitric Oxide
(c) Nitrogen Dioxide
(d) Nitrous acetylene
5. Which of the following planets do not have satellites revolving around them?
(a) Mercury and Venus
(b) Mars and Mercury
(c) Neptune and Saturn
(d) Mars and Venus
Answers
1 - (c)
2 - (c)
3 - (b)
4 - (b)
5 - (a)