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For a negative point charge, the electric field vectors:
a) Circle the charge
b) Point radially in toward the charge
c) Point radially away from the charge
d) Cross at infinity
Ans:
The electric field vectors point radially in toward the charge for a negative point charge.
A beam of light of wavelength λ = 5000Å falling normally on a plane diffraction grating. The 1 st order spectrum is derived in a direction making an angle θ 1 with the norma
What is the ratio of mass of an electron to the mass of a proton: (1) 1 : 2 (2) 1 : 1 (3) 1 : 1837 (4) 1 : 3 Ans: 1: 1837
LIST DIFFRENT THEM
Derivation of Equation of the physical pendulum
Ques: For the case of a capacitor which is originally charged and then connected across a resistor the charge on the capacitor the voltage across the capacitor and the current
a) The molar mass of air is 28.97 kg/kmol and the universal gas constant is 8.314 kJ/(kmolK). Show by calculation that the particular gas constant of air is around 0.287 kJ/(kgK)
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figure of merit: amount of current through a conductor per unit deflection and why? the name figure of merit
Which of the following material has the highest melting point (A) Copper. (B) Aluminium. (C) Tungsten. (D) Gold. Ans: Tungsten has the highest melting point.
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