1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
A small signal voltage V(t) = V0 sin$$\omega $$t is applied across an ideal capacitor C
A
Current $$I(t)$$ is in phase with voltage $$V(t)$$.
B
Current $$I(t)$$ leads voltage V(t) by 180o
C
Current $$I(t)$$, legs voltage $$V(t)$$ by 90o.
D
Over a full cycle the capacitor C foes not consume any energy from the voltage source.
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 cm away from the objective, the lenses must be separated by a distance
A
50.0 cm
B
54.0 cm
C
37.3 cm
D
46.0 cm
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Given the value of Rydberg constant is 107 m$$-$$1, the wave number of the last line of the Balmer series in hydrogen spectrum will be
A
0.25 $$ \times $$ 107 m$$-$$1
B
2.5 $$ \times $$ 107 m$$-$$1
C
0.025 $$ \times $$ 104 m$$-$$1
D
0.5 $$ \times $$ 107 m$$-$$1
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
When a metallic surface is illuminated with radiation of wavelength $$\lambda $$, the stopping potential is V. If the same surface is illuminated with radiation of wavelength 2 $$\lambda $$, the stopping potential is $${V \over 4}$$. The threshold wavelength for the metallic surface is
A
$${5 \over 2}\lambda $$
B
3$$\lambda $$
C
4$$\lambda $$
D
5$$\lambda $$