MCQ
Assertion : Cyclotron is a device which is used to accelerate the positive ion.
Reason : Cyclotron frequency depends upon the velocity.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer

Correct option: C.
If assertion is true but reason is false.
(c) If assertion is true but reason is false.

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 frequency of incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is.
In which one of the following regions of the electromagnetic spectrum will the vibrational motion of molecules give rise to absorption
$\sigma_1$ and $\sigma_1$ are the electrical conductivities of Ge and Na respectively. If these substances are heated, then(a)(b) (c) (d)
The magnetic materials having negative magnetic susceptibility are:
A coil of inductance $L$ has an inductive reactance of ${X_L}$ in an AC circuit in which the effective current is I. The coil is made from a super-conducting material and has no resistance. The rate at which power is dissipated in the coil is
A thin lens made of glass of refractive index $1.5$ has a front surface $+ 11 D$ power and back surface $-6 D.$ If this lens is submerged in a liquid of refractive index $1.6,$ the resulting power of the lens is
For a convex lens, if real image is formed the graph between $(u + v)$ and $u$ or $ v$ is as follows
In a coil of resistance $8 \Omega$, the magnetic flux due to an external magnetic field varies with time as $\phi=\frac{2}{3}\left(9- t ^{2}\right)$. The value of total heat produced in the coil, till the flux becomes zero, will be $....J$
A spherical mirror forms an erect image three times the linear size of the object. If the distance between the object and the image is $80\,cm$, the focal length of the mirror is........
An object approaches a convergent lens from the left of the lens with a uniform speed $5m/s$ and stops at the focus. The image.