1.The instrument that measures and records the relative humidity of air is





2. The shape of our milky way galaxy is





3. The fundamental scientific principle in the operation of battery is





4.Instrument used to measure the force and velocity of the wind is





5. Which combination of colour the most convenient during day and night time ?





6. Woolen clothes keep the body warm because





7. If the length of a simple pendulum is halved then its period of oscillation is





8.While catching a ball, a player pulls down his hands to lower the





9. A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?





10. Asteroids revolve round the Sun between which of the following two planets ?






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