MCQ
Dual nature of radiation is shown by
  • A
    Diffraction and reflection
  • B
    Refraction and diffraction
  • C
    Photoelectric effect alone
  • Photoelectric effect and diffraction

Answer

Correct option: D.
Photoelectric effect and diffraction
 Photoelectric effect and diffraction

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

The current in a metallic conductor is plotted against voltage at two different temperatures $T_1$ and $T_2$. Which is correct
There is a uniform magnetic field $B$ normal to the $xy$ plane. $A$ conductor $ABC$ has length $AB = l_1$, parallel to the $x$ -axis, and length $BC = l_2$, parallel to the $y$ -axis. $ABC$ moves in the $xy$ plane with velocity ${v_x}\hat i + {v_y}\hat j$. The potential difference between $A$ and $C$ is proportional to
The figure represents the observed intensity of X-rays emitted by an X-ray tube as a function of wavelength. The sharp peaks A and B denote
Two parallel circular coils of equal radii having equal number of turns placed coaxially and separated by a distance equal to the radii of the coils carrying equal currents in same direction are known as:
A prism having an apex angle $4^o$ and refraction index $1.5$ is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray deviated after reflection from the mirror.....$^o$
When a light wave goes from air into water, the quality that remains unchanged is its
A straight conductor carries a current of 5A. An electron travelling with a speed of  $5\times 10^6 ms^{-1}$  parallel to the wire at a distance of 0.1m from the conductor, experiences a force of
In the circuit shown in figure, all cells are ideal. The current through $2 \,\Omega$ resistor is ............ $A$
As shown in the figure, the voltmeter reads $2\,V$ across $5\,\Omega$ resistor. The resistance of the voltmeter is $.......\,\Omega$.
A lens of focal power 0.5 D is