MCQ
Which of the following is a correct statement
  • Beta rays are same as cathode rays
  • B
    Gamma rays are high energy neutrons
  • C
    Alpha particles are singly ionized helium atoms
  • D
    Protons and neutrons have exactly the same mass

Answer

Correct option: A.
Beta rays are same as cathode rays
Beta rays are same as cathode rays

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 refractive index of glass is $1.5$ and that of water is $1.3$. If the speed of light in water is $2.25 \times 10^8 \,m/sec$, what is the speed of light in glass
Eight dipoles of charges of magnitude $e$ are placed inside a cube. The total electric flux coming out of the cube will be
The angular frequency of an $AC$ source is $\frac{10\text{radian}}{\text{sec}}$ The reactance of $1\mu\text{F}$ capacitor will be.
A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to
Deutron and $\alpha - $ particle are put $1\,\mathop A\limits^o $ apart in air. Magnitude of intensity of electric field due to deutron at $\alpha - $ particle is
The drift velocity of electrons in silver wire with cross-sectional area $3.14 \times 10^{-6}\,m ^2$ carrying a current of $20\,A$ is. Given atomic weight of $Ag =108$ , density of silver $=10.5 \times 10^3\,kg / m ^3..........\times 10^{-4} m / sec$.
Light of different colours propagates through air
Two bulbs, one of $50\, watt$ and another of $25\, watt$ are connected in series to the mains. The ratio of the currents through them is
The truth table shown in figure is for
A 0 0 1 1
B 0 1 0 1
y 1 0 0 1
In the given nuclear reaction $A, B, C, D, E$ represents

$_{92}{U^{238}}{\xrightarrow{\alpha }_B}T{h^A}{\xrightarrow{\beta }_D}P{a^C}{\xrightarrow{E}_{92}}{U^{234}}$