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When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 105 m/s.
What is the work function, in eV, of the metal?
what are characteristics of resistances
INTERFERENCE and DIFFRACTION: INTERFERENCE: The physical effect of super position of waves from two sources vibrating with same frequency and amplitude is called the interfere
What is resultant force
Internal Resistance of Circuit: As mentioned earlier in the section on batteries, every source of electricity, such as a cell or generator has resistance to current flow called
WHERE DOES C.O.G AND C.O.M DIFFER?....GENERALLY BOTH COINCIDES....GIVE EXAMPLE WHERE BOTH DIFFER? Ans) C.O.G and C.O.M mainly coincides at the see-level region.But C.O.G is a va
What is Crystal twinning Crystal twinning occurs when two divide crystals share some of the same crystal lattice points in a symmetrical manner. The result is an intergrowth of
THE BASIC CAPACITOR If we have two metal plates close together, but separated by an insulator or dielectric (which could be air) and we apply a voltage across them, electrons a
(i)Cathode waves always travel in straight path. (ii) Cathode rays exert mechanical force on the objects they strike. (iii) Cathode rays make fluorescence. (iv)
Q. In the given circuit, calculate the current through the circuit and mention its direction . Let the current be I. 5I + 10 I + 5 I = 10 + 20 that is 20 I = 30 Current I =
A spacecraft is moving relative to the earth An observer on earth finds that , according to her clock 3601s elapse between 1pm and 2pm on the spacecraft''s clock. what is the space
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