Question
What is the difference between the number of Umbrella
sold in city B and the number of Raincoat sold in city A? Read the following information carefully and answer the given questions: The table given below shows the total number of items (umbrella and raincoat) sold in six different cities and ratio of umbrella to raincoat in these cities. Total Items = Umbrella + RaincoatSolution
Number of Umbrella sold in cities B = 600 × (5/12) = 250 Number of Raincoat sold in cities A = 600 × (5/12) = 520 Required difference = 520 – 250 = 270
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
Which of the following phenomena cannot be explained by the wave theory of light?
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
Which of the following is the ultimate source of energy?
Find the power if a force of 100 N displaces an object by 10 m in 5 seconds.
An object moves towards a convex lens of focal length 20 cm with a velocity of 5 cm/s. When the object is at 30 cm from the lens, find the rate at which...
Sounds of frequencies less than about ______ vibrations per second cannot be detected by the human ear.
Which law explains the relation between pressure and volume of a gas at constant temperature? Â
An object of mass ‘m’ be made to fall freely from a height ‘h’. At the start the potential energy is _____ and kinetic energy is ______.
...In the equation of motion (2as = v² - u²), (s) represents:
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