MCQ
A polariser is used to
  • A
    Reduce intensity of light
  • Produce polarised light
  • C
    Increase intensity of light
  • D
    Produce unpolarised light

Answer

Correct option: B.
Produce polarised light
b
(b)Polariser produced prolarised light.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

An electric wire of length ‘I’ and area of cross-section a has a resistance R ohms. Another wire of the same material having same length and area of cross-section 4a has a resistance of
The capacitance of a metallic sphere will be 1μF, if its radius is nearly
A $12\,pF$ capacitor is connected to a $50\,V$ battery. How much electrostatic energy is stored in the capacitor
The output $Y$ for the inputs $A$ and $B$ of circuit is given by Truth table of the shown circuit is :
A beam of electron is used in $Y.D.S.E.$ The slit width is $d$ When velocity of electron is increased then
The maximum illumination on a screen at a distance of 2 m from a lamp is 25 lux. The value of total luminous flux emitted by the lamp is
If the momentum of an electron is changed by $\Delta p$, then the de-Broglie wavelength associated with it changes by $0.50\%$. The initial momentum of the electron will be
Twelve wires each having resistance $2 \Omega$ are joined to form a cube. A battery of $6 \mathrm{~V}$ emf is joined across point $\mathrm{a}$ and $\mathrm{c}$. The voltage difference between $e$ and $f$ is.______.V.
The Rutherford $\alpha$-particle experiment shows that most of the $\alpha$-particles pass through almost unscattered while some are scattered through large angles. What information does it give about the structure of the atom
Two cells of emf $E_1$ and $E_2\left(E_1 > E_2\right)$ are connected individually to a potentiometer and their corresponding balancing length are $625 \,cm$ and $500 \,cm$, then the ratio $\frac{E_1}{E_2}$ is ...........