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A copper pot with mass 0.500 kg contains 0.170 kg of water ata temperature of 20.0ºC. A 0.250-kg block of iron at85.0ºC is dropped into the pot. Find the final temperature, assuming no heat loss to the surroundings
The turning movement of a particle about the axis of rotation is called the angular momentum of the particle and is measured as the product of the linear momentum and the perpendic
How is glass fibre material in optical fibres used? Glass fibre material in optical fibres: Silica is the generally used materials for the manufacture of a glass fibre. The
Q. Why do you not collapse in the pressure created by the atmosphere? Answer:- If the outward pressure inside your body weren't equal to the pressure pressing in on you an
Illustrate the light emitting diode for fibre optic communication? Light-Emitting Diode (LED) for fibre optic communication: There are two types of LED. They are surface etc
The engine on a motorcycle hums at 85 Hz. If the motorcycle travels toward a resting observer at a velocity of 29.6 m/s, what frequency does the observer hear? Use 343 m/s
A small bucket of mass M kg is attached to a long inextensible cord of length L m. The bucket is released when the cord is in horizontal position. At its lowest point the bucket sc
A mass floats with 1/3rd of its volume outside water what will be its relative density? Ans) 8/3 g/cc
Q. Can a solid as well as liquid together be possible? Answer:- In reality substances can exist in all three states of matter simultaneously if the conditions are right. T
Properties of laser: Lasers have applications in various disciplines of science and technology. They also find applications in industry, medicine and defence and space science
What are the basic components of Lead Acid Cell? Ans. Basic Components of Lead Acid Cells are: (i) Positive Plates which are tubular in shape prepared by PBO 2 . (ii) N
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