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Will there be any change in hz of sound if two vibrating body has the similar hz
Ans) Yes it depends on the path difference among them...
Like in destructive inteference u hear no sound..but in constructive intereference the intensity is maximum..
Displacement: - The modification in position of a body in a particular direction is called as displacement. It is a vector function and its unit in SI system is meter. Distanc
LENARD ATOMIC MODEL : Lenard suggested that the atom must have a lot of empty in it. Lenard's model of an atom could not explain about the stability and mass of an atom .
Helium gas with a volume of 2.60 L, under a pressure of 1.30atm and at a temperature of 41.0 degrees, is warmed until both pressure and volume are doubled. a)What is the final temp
Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.
Standing OR Stationery Waves: When two identical waves of similar amplitude and period moving along the similar line in opposite directions superpose each other, a latest set o
Fig.of conical prism
Q. What are uses of ultra-violet radiations? Uses of ultra-violet radiations: (i) They are utilized to destroy the bacteria and for sterilizing surgical instruments.
A dartboard with a mass of 2.20 kg is suspended from the ceiling such that it is initially at rest. A 0.030-kg dart is thrown at the dartboard with a velocity of 1.3 m/s. A
What is the type of bonding in silicon? (A) Ionic. (B) Covalent. (C) Metallic. (D) Ionic + Metallic Ans: Bonding in silicon is covalent type.
What are coherent sources? Why are coherent sources required to produce interference of light? Give an example of interference of light in everyday life. In Young's double slit exp
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