Question
Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern(a) Will be more clear(b) Will contract(c) Will expanded(d) Will not be visualized
✓
Answer
(b) Will contract
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Two resistors $A$ and $B$ have resistances $R_A$ and $R_B,$ respectively, and $R_A < R_B.$ The resistivities of their materials are $\rho _{\text{A}}$ and $\rho_{\text{B}}.$
→A person using a lens as a simple microscope sees an:
Which particles will have minimum frequency of revolution when projected with the same velocity perpendicular to a magnetic field
Starting with a sample of pure $66_{Cu}, \frac{7}{8}$ of it decays into $Zn$ in $15\ min.$ The corresponding half$-$life is
→Two wires of same size whose resistivities$\rho_1$ are $\rho_2$ and are joined in series. The equivalent resistivity of the combination will be:
→When the current through the electromagnet of a relay reaches a particular value
Electromotive Force (EMF) may be defined as:
Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.(a) 0.28 MeV(b) 0.34 MeV(c) 0.39 MeV(d) 0.46 MeV
A horse-shoe magnet is an example of ________.
Six charges, three positive and three negative of equal magnitude are to be placed at the vertices of a regular hexagon such that the electric field at $\text{O}$ is double the electric field when only one positive charge of same magnitude is placed at $\text{R}$. Which of the following arrangements of charges is possible for $\text{P, Q, R, S, T}$ and $\text{U}$ respectively
→