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Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the
(i) frequency
(ii) intensity of the incident radiations and why?
When atoms (or) group of atoms are added, to form more saturated compound it is known as addition reaction.
what is mean by priciple of moments
A 2400-kg satellite is in a circular orbit around a planet. The satellite travels with a constant speed of 6.67x10 3 m/s. What is the acceleration of the satellite? Determine the m
What is Potential Gradient Magnitude of electric field at a point on an equipotential surface equal's rate of alter of potential, ΔV, with distance Δx, as point moves perpendic
Isn't there any relation to calculate the dipole moment from the electronegativities of the participating atoms? Solution) formulae:- 16(X A -X B )+3.5(X A -X B ) 2
Centrifugal force with a tin can lid Punch a hole near the edge of a tin can lid. Attach it to the cord from the drill and view the effects of rotation.
a) Formation of domains b) On the basis of domains formed c) These are strongly attracted in an external magnetic field i.e. they easily go from low to high field region d
Given the ratio of velocities of two light waves traveled in vacuum and having wave lengths 5000A o and 6000A o . Can you explain by working of diamonds sparkle?
Which phrase would be incorrect to use: (1)A molecular of a compound (2)A molecule of an element (3)An atom of an element (4)None of these Ans: (2)A molecule of a
Net force acting on particle of mass 2 kg is 10N in north direction.At t=o, particle was moving eastwards with 10m/s. Find displacement and velocity of particle after 2 seconds.
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