An electron in hydrogen atom makes a transition n₁ → n₂
An electron in hydrogen atom makes a transition n₁ → n₂ where n₁ and n₂ are principal quantum number of…
8 years ago
Physics
An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze. Then the distance of closest…
8 years ago
A certain mass of Hydrogen is changed to Helium by the process of fusion
A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction…
8 years ago
α- particles, β – particles and γ – rays are all having same energy.
α- particles, β - particles and γ - rays are all having same energy. Their penetrating power in a given…
8 years ago
An alternating voltage e=200s in100t is applied to a series combination
An alternating voltage e=200s in100t is applied to a series combination of R= 30Ω and an inductor of 400 mH.…
8 years ago
An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery fo 5…
8 years ago
In an AC circuit the potential differences across an inductance and resistance joined
In an AC circuit the potential differences across an inductance and resistance joined in series are respectively 16 V and…
8 years ago
An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is Options (a) 210 V…
8 years ago
In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω, then the value of…
8 years ago
An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source
An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source 200V,…
8 years ago