The electric field associated with an e.m. wave in vacuum is given by
The electric field associated with an e.m. wave in vacuum is given by E = i 40 cos (kz -…
7 years ago
AIPMT2012
An alternating electric field, of frequency v, is applied across the dees (radius = R)
An alternating electric field, of frequency v, is applied across the dees (radius = R) of a cyclotron that is…
7 years ago
A compass needle which is allowed to move in a horizontal plane
A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole It: Options…
7 years ago
The case of adsorption of the hydrated alkali metal ions on an ion-exchange
The case of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order: Options (a) Li⁺…
7 years ago
Which one of the alkali metals, forms only, the normal oxide, M₂O on heating
Which one of the alkali metals, forms only, the normal oxide, M₂O on heating in air Options (a) Rb (b)…
7 years ago
A concave mirror of focal length f₁ is placed at a distance d from a convex lens
A concave mirror of focal length f₁ is placed at a distance d from a convex lens of focal length…
7 years ago
A ray of light is incident at an angle of incidence i, on one face of a prism
A ray of light is incident at an angle of incidence i, on one face of a prism of angle…
7 years ago
The magnifying power of a telescope is 9. When it is adjusted for parallel rays
The magnifying power of a telescope is 9. When it is adjusted for parallel rays the distance between the objective…
7 years ago
When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid, it acts a plane sheet…
7 years ago
Which one of the following statements regarding photochemical smog is not correct
Which one of the following statements regarding photochemical smog is not correct Options (a) Carbon monoxide does not play any…
7 years ago