Question
Which physical quantity remains constant during uniform
circular motion? ÂSolution
In uniform circular motion, only speed remains constant.  Velocity changes due to continuous change in direction.  Centripetal acceleration keeps the object moving in a circle.  Examples: Ferris wheel, satellites in orbit.
The SI unit of mechanical power is:Â
Coffee, spinach, onion and tea in our diet mostly provide us with which of the following elements as food?
A fluid is flowing steadily through a horizontal pipe of varying cross-section. According to Bernoulli’s principle, the pressure is:
Which of the following statements for the given chemical reaction is true?
Fe₂ O₃ + 2Al → Al₂ O₃  + 2Fe
When Mendel crossed a tall pes plant with a short pea plant, only tall plants were produced. Of these progeny F1  plants, ______ had dissimilar factor...
Which gas is used in the process of photosynthesis?
What is the SI unit of force?
In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in o...
Which part of the human eye is responsible for focusing light?
The rate of transpiration accelerates due to