Download App

Atomic and Nuclear Physics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsAtomic and Nuclear Physics1 Mark
Question
Assertion : Neutrons penetrate matter more readily as compared to protons.
Reason     : Neutrons are slightly more massive than protons.(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.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 
✓

Answer

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

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 Atomic and Nuclear Physics→Atomic and Nuclear Physics — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The difference between the mass of a nucleus and the total mass of the constituents is its.
→
A double charged lithium atom is equivalent to hydrogen whose atomic number is $3.$ The wavelength of required radiation for emitting electron from first to third Bohr orbit in $Li^{++}$ will be $($Ionisation energy of hydrogen atom is $13.6e\ V)$
→
In which region of the electromagnetic spectrum does the Paschen series of hydrogen spectrum lie ?
→
An electron moving with the speed $5 \times 10^6$ per $\sec$ is shooted parallel to the electric field of intensity $1 \times 10^3\ N/C$. Field is responsible for the retardation of motion of electron. Now evaluate the distance travelled by the electron before coming to rest for an instant $($mass of $e = 9 \times 10^{-31}\ Kg$. charge $= 1.6 \times 10^{-19}\ C)$
→
A current carrying wire in the neighborhood produces(a) No field(b) Electric field only(c) Magnetic field only(d) Electric and magnetic fields
   
   
→
The $21 \ cm$ radio wave emitted by hydrogen in interstellar space is due to the interaction called the hyperfine interaction is atomic hydrogen. the energy of the emitted wave is nearly
→
A light bulb, a capacitor and a battery are connected together as shown here, with switch $S$ initially open. When the switch $S$ is closed, which one of the following is true
→
A solid sphere, a hollow sphere and a disc, all having same mass and radius, are placed at the top of a smooth incline and released. Least time will be taken in reaching the bottom by:
  1. The solid sphere.
  2. The hollow sphere.
  3. The disc.
  4. All will take same time.
→
Assertion  :   Annihilation of electron and positron is an example of decay of charges.
Reason      : In the process of annihilation an electron and a positron combine to give a gamma particle.(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.(c) If assertion is true but reason is false.(d) If assertion is false but reason is true.
 
 
 
 
→
A uniform conducting wire $\text{ABC}$ has a mass of $10g.$ A current of $2A$ flows through it. The wire is kept in a uniform magnetic field $B = 2T. $The acceleration of the wire will be
→