Explanation:
$\text{Z}_\text{L}=\text{WL}\ \ \ \text{Z}_\text{C}=\frac{1}{\text{WC}}$
$\text{w}\uparrow,\text{Z}_\text{L}\uparrow\text{Z}_\text{c}\downarrow$
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Atom bomb consists of two pieces of 
and a source of
|
(a) Proton |
(b) Neutron |
(c) Meson |
(d) Electron |
Huygen wave theory allows us to know
|
(a) The wavelength of the wave |
(b) The velocity of the wave |
|
(c) The amplitude of the wave |
(d) The propagation of wave fronts |
An electron and a proton enter a magnetic field perpendicularly. Both have same kinetic energy. Which of the following is true
|
(a) Trajectory of electron is less curved |
(b) Trajectory of proton is less curved |
|
(c) Both trajectories are equally curved |
(d) Both move on straight-line path |
In hydrogen atom, if the difference in the energy of the electron in n = 2 and n = 3 orbits is E, the ionization energy of hydrogen atom is
|
(a) 13.2 E |
(b) 7.2 E |
(c) 5.6 E |
(d) 3.2 E |
From the following equations, pick out the possible nuclear reactions
|
(a) |
|
(b) |
|
(c) |
|
(d) |
Energy in the sun is generated mainly by
|
(a) Fusion of radioactive material |
(b) Fission of helium atoms |
|
(c) Chemical reaction |
(d) Fusion of hydrogen atoms |
Comparing real and virtual images, we may say that:
