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As shown in the figure below, a bubble of gas with a volume of 1.20 cm3 is released under water.
As it rises to the surface, the temperature of the bubble enhances from 27°C to 54°C, and the pressure is cut to one-third of its initial value.
What is the volume of the bubble at the surface?
Derive an expression for the velocity of transerve wave in stretched uniform string
The following three impedances are connected in series across a 40V, 20kHz supply: (i) a resistance of 8, (ii) a coil of inductance 130µHand5 resistance, and (iii) a 10 r
Frequency:- The number of vibration done per second by an oscillation body is known its frequency. It is denoted by V. The S.I unit is Hz.
Illustrate how plane polarized light obtained by refraction. Illustrate double refraction ( birefringence) of light. define Young's double slit experiment and give the required the
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Q. What are non-polar molecules? Give an example. i) A non-polar molecule is one in that the centre of gravity of the positive charges coincides with the centre of gravity of
a) Can a gravitational field be added vertorially to an electric field to get a total field? Describe it. b) Can two equipotential surfaces cut down each other? describe it.
Influence the value of g Shape of the earth : (a) At poles : Generally 'g' value is inversely proportional to the radius of the earth ' r' . Due to flattening of the e
Copper Atomic number 29 Symbol Cu Atomic weight 63.546 Discovery Cu has
WHY Surface tension increases when an highly soluble SUBSTANCE is dissolved in water WHILE IT DECREASES WHEN an weakly soluble substance is dissolved in water
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