1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The threshold frequency of a photoelectric metal is v0. If light of frequency 4v0 is incident on this metal, then the maximum kinetic energy of emitted electrons will be :

A
4 hv0
B
hv0
C
2 hv0
D
3 hv0
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The equivalent resistance of the infinite network given below is :

NEET 2022 Phase 2 Physics - Current Electricity Question 18 English

A
$$\left( {1 + \sqrt 5 } \right)\Omega $$
B
$$2\,\Omega $$
C
$$\left( {1 + \sqrt 2 } \right)\Omega $$
D
$$\left( {1 + \sqrt 3 } \right)\Omega $$
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

If the screen is moved away from the plane of the slits in a Young's double slit experiment, then the :

A
linear separation of the fringes decreases
B
angular separation of the fringes increases
C
angular separation of the fringes decreases
D
linear separation of the fringes increase
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

If $$\overrightarrow F = 2\widehat i + \widehat j - \widehat k$$ and $$\overrightarrow r = 3\widehat i + 2\widehat j - 2\widehat k$$, then the scalar and vector products of $$\overrightarrow F $$ and $$\overrightarrow r $$ have the magnitudes respectively as

A
10, 2
B
5, $$\sqrt 3 $$
C
4, $$\sqrt 5 $$
D
10, $$\sqrt 2 $$
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