1
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : The average value of alternating emf is $$63.39 \%$$ of the peak value.

Reason : The rms value of alternating emf is $$70.72 \%$$ of peak value.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
2
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Photoelectric effect can take place only with an electron bound in the atom.

Reason : Electron is a fermion whereas proton is a boson.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
3
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : When $$\theta=45^{\circ}$$ or $$135^{\circ}$$, the value of $$R$$ remains the same, only the sign changes.

Reason : $$R=\frac{u^2 \sin 2 \theta}{g}$$

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
4
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

Assertion : In adiabatic expansion the product of $$p$$ and $$V$$ always decreases.

Reason : In adiabatic expansion process, work is done by the gas at the cost of internal energy of gas.

A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false.
EXAM MAP