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Sievert; Sv:
The derived SI unit of dose equivalent, explained as the absorbed dose of ionizing radiation multiplied through internationally-agreed-upon dimensionless weights, as different kind of ionizing radiation cause distinct types of damage in living tissue. The Sv, such as the Gy, has units of J/kg.
What do you understand by reverberation time an auditorium What do you mean by sound absorber. Give two examples for good absorbers.
Volume resistance: The resistance provided to the current which flows through the material is called volume resistance. For a cube of unit dimensions this is called volume resisti
Q. Give any three utilizes of secondary cells. i) The secondary cells are rechargeable. ii) They have extremely low internal resistance. iii) They are able to deliver a
how to verify the laws which govern the resistance which are connected in series
Simple gears With a hammer and a medium-sized nail, make holes in the exact centres of various used bottle caps. Straighten the edges of the caps to make them as round as possi
A skydiver falls d1 = 495 meters in t1 = 22 s before opening his parachute. After the chute opens, he falls an additional d2 = 470 meters in t2 = 56.5 s. (a) Write an expression t
The emf of the driver cell of a potentiometer is 2V & its internal resistance is negligible . The length of the potentiometer wire is 100cm & resistance is 5 ohm.How much resistanc
why is friction necessary
how much force is necessary to stop the car when steps on a brake a 1000-kg car travelling at 65 km/h if the braking distance is 35 m?
Which one of the following pairs is not correctly matched: (1) Rutherford-Proton (2) J.J. Thomsom-Electron (3) J.H. Chadwick-Neutron (4) Bohr-Isotope Ans:(4)Bohr-Is
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