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The correct answer is D
Which phenomenon does a hologram use to create an image?
Which of the following is a characteristic of sound waves?
Two long parallel conductors are placed 8mm apart from each other carrying a current of 120 Amperes. What will be force per meter length of each one?
Clear nights are colder than cloudy nights because of –
When an electric current flows, electrons move from:
Ball pen functions on the principle of :
What happens to your weight when you are in a lift which goes down?
Which of the following is NOT a non-contact force?
A constant retarding force of 20 N is applied to a body of mass 10 kg moving initially with a speed of 12 m s–1. How long does the body tak...
Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction