Assertion: A charged particle can be accelerated in a cyclotron by the alternate distribution of the field.
Reason: Energy of the charged particle is increased by the field applied.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion: At rest, radium is decayed into Radon and an -particle. They both moves back to back of each other.
Reason: Splitting of radioactive particle is based on conservation of linear momentum.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion: In electromagnetic waves electric field and magnetic field lines are perpendicular to each other.
Reason: Electric field and magnetic field are self sustaining.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion: Gauss's law shows diversion when inverse square law is not obeyed.
Reason: Gauss's law is a consequence of conservation of charges.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Which of the following current must be zero in an unbiased PN junction diode?
Current due to majority charge carriers (both electrons and holes).
Current due to minority charge carriers (both electrons and holes).
Current due to majority and minority charge carriers
Current due to majority and minority charge carriers (only holes).
B.
Current due to minority charge carriers (both electrons and holes).
In an unbiased PN junction diode current flow due to minority charge carriers (electron in the P-region and holes in the N-region)
In a convex lens of focal length F, the minimum distance between an object and its real image must be
3F
4F
F
2F
In Young's double slit experiment, fringe order is represented by m, then fringe width is
Independent of m
Directly proportional to m
Directly proportional to ( 2m + 1 )
Inversely proportional to (2m + 1 )
Total energy of the electron in hydrogen atom above 0 eV leads to
continuation of energy states
large number of discrete ionised states
balmer series
paschen series
Gamma decay takes place
Prior to alpha decay.
Prior to beta decay.
Prior to positron decay.
Due to de-excitment of nuclear levels.