Download App

Electron, Photon, Photoelectric Effect and X-Rays — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectron, Photon, Photoelectric Effect and X-Rays1 Mark
MCQ
The minimum frequency $v$ of continuous $X-$rays is related to the applied potential difference $V$ as
  • A
    $v ∝ \sqrt v$
  • ✓
    $v ∝ v$
  • C
    $v ∝ v^{3/2}$
  • D
    $v ∝ v^2$
✓

Answer

Correct option: B.
$v ∝ v$
$v ∝ v$

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 "M.C.Q (1 Marks)" from Electron, Photon, Photoelectric Effect and X-Rays→Electron, Photon, Photoelectric Effect and X-Rays — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Electric charges $q, q, -2q$ are placed at the corners of an equilateral triangle $\text{ABC}$ of side. The magnitude of electric dipole moment of the system is
→
The  electric charge in uniform motion produces(a) An electric field only(b) A magnetic field only(c) Both electric and magnetic field(d) Neither electric nor magnetic field
   
   
→
$\mu_\text{V}​>\mu_\text{R}$​ indicates:
→
A convex lens of focal length 0.5 m and concave lens of focal length 1 m are combined. The power of the resulting lens will be(a) 1 D      (b) – 1 D(c) 0.5 D   (d)  – 0.5 D
       
→
A river is flowing from west to east at a speed of 5 metres per minute. A man on the south bank of the river, capable of swimming at 10 metres per minute in still water, wants to swim across the river in the shortest time. He should swim in a direction:
  1. Due north.
  2. 30° east of north.
  3. 30° north of west.
  4. 60° east of north.
→
The phenomenon utilised in an optical fibre is(a) Refraction(b) Interference(c) Polarization(d) Total internal reflection
   
   
→
Cathode rays travelling from east to west enter into region of electric field directed towards north to south in the plane of paper. The deflection of cathode rays is towards(a) East   (b) South(c) West (d) North
       
→
Which logic gate produces LOW output when any of the inputs is HIGH?
→
The working of optical instruments like camera, microscope, telescope, etc. having glass lenses is based on a phenomenon of light. Identify the phenomenon.
→
The materials which allow to pass electricity through them easily are called as:
→