Download App

MHT-CET PCB 08 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCB 081 Mark
MCQ
If the potential difference used to accelerate electrons is doubled, by what factor does the de-Broglie wavelength associated with the electrons change?
  • A
    Wavelength is increased to `1/sqrt2` times
  • B
    Wavelength is increased to `1/2` times
  • C
    Wavelength is decreased to `1/3` times
  • ✓
    Wavelength is decreased to `1/sqrt2` times
✓

Answer

Correct option: D.
Wavelength is decreased to `1/sqrt2` times
D

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

Explore more

More "MCQ" from MHT-CET PCB 08→MHT-CET PCB 08 — all question types→MHT - CET STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

The endodermal cells show Casperian strips made up of ______
→
What is the type of magnetic behavior and geometry respectively in Cuproammonium sulphate (Atomic number of Cu = 29)?
→
The energy spectrum of a black body exhibits a maximum around a wavelength '`lambda`'. The temperature of a black body is now changed such that the energy is maximum around a wavelength 3`lambda`/4. The power radiated by a black body will now increase by a factor of ______.
→
The area of the region bounded by the X-axis and the curves defined by y = cot x, `(pi/6 ≤ x ≤ pi/4)` is ______.
→
The difference between heats of reaction at constant pressure and at constanl volume for the reaction

$\ce{2C6H6_{(l)} + 15O2_{(g)} -> 12CO2_{(g)} + 6H2O_{(l)}}$ at 25°C in kJ

→
If $P(x_1, y_1)$ is a point on the hyperbola $x^2 - y^2 = a^2,$ then $SP. S\ 'P = ............$
→
Assertion: The average velocity of the object over an interval of time is either smaller than or equal to the average speed of the object over the same interval.

Reason: Velocity is a vector quantity and speed is a scalar quantity.

→
If fats are not digested properly in humans it may be an indication of ____________.
→
Choose the CORRECT statement.
→
A solution has an osmotic pressure of ' $x$ ' $kPa$ at $300 K$ having $1$ mole of solute in $10.5 m ^3$ of solution. If it's osmotic pressure is reduced to $\left(\frac{1}{10}\right)^{\text {th }}$ of it's initial value, what is the new volume of solution?
→