The charge of alpha particles is
A) positive
B) negative
C) neutral
D) none
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Find the equation of the line for which `(i)p=3 and alpha=45^(@)` (ii)`p=5 and alpha=135^(@)` (iii)`p=8 alpha=150^(@)` (iv) `p=3 and alpha=225^(@)` (v
Correct Answer - `(i)x+y-3sqrt2=0 (ii)x-y+5sqrt2=0 (iii)sqrt3x-y+16=0` `(iv)x+y+3sqrt2=0 (v)x-sqrt3y-4=0 (vi)x+4=0`
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The centre of mass of two particles system lies (A) at the midpoint on the line joining the two particles.
(D) on the line joining the two particles.
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How much positive and negative charge is present in 1 g of water? How many electrons are present in it?
Molecular mass of water is 18 gram, that means the number of molecules in 18 gram of water is 6.02 × 1023 ∴ Number of molecules in l gm of water...
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Choose the correct answer. (A) Total charge present in the universe is constant. (B) Total positive charge present in the universe is constant.
(A) Total charge present in the universe is constant.
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Choose the correct answer. (A) Total charge present in the universe is constant. (B) Total positive charge present in the universe is constant.
2 Answers
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Choose the correct answer. (A) Total charge present in the universe is constant. (B) Total positive charge present in the universe is constant.
2 Answers
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Electric lines of force about a positive point charge and negative point charge are respectively.
(B) radially outward, radially inward
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Rutherford allowed the alpha particles to pass through ………………. in his alpha particles scattering experiment.
Correct option is D) gold foil
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On dissolving solid in liquid, ………… particles enter into space between the …………. particles.
B) melting point
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Assertion `(A): beta-` particles have greater penetrating power than `alpha-` rays but less than `gamma-`rays. Reason `(R) : beta-` particles are ligh
Correct Answer - A Refer Section
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