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Beat the clock-perform a task quickly or within a fixed time limit.
The unit of electric current is:
Tanya throws a ball vertically upwards, which rise to a height of 60 m. Which of the following statements is NOT correct? [Take g = 10 ms–2
Which among the following is necessarily present in an alloy for it to be referred as ‘Amalgam’?
Which of the following is a compound?
If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this?
What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
The escape velocity from a planet is 11.2 km/s. What is the minimum kinetic energy per kg needed to escape?
1. 6.3 x 107 J/ Kg
<...Which vitamin helps in improving night vision?
Which part of the human eye is responsible for focusing light?
A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole?