1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A siren emitting a sound of frequency 800 Hz moves away from an observer towards a cliff at a speed of 15 m s$$-$$1. Then, the frequency of sound that the observer hears in the echo reflected from the cliff is

(Take velocity of sound in air = 330 m s$$-$$1)
A
838 Hz
B
885 Hz
C
765 Hz
D
800 Hz
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
An air column, closed at one end open at the other, resonates with a tuning fork when the smallest length of the column is 50 cm. The next larger length of the column resonating with the same tuning fork is
A
150 cm
B
200 cm
C
66.7 cm
D
100 cm
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
A uniform rope of length L and mass m1 hangs vertically from a rigid support. A block of mass m2 is attached to the free end of the rope. A transverse pulse of wavelength $$\lambda $$1 is produced at the lower end of the rope. The wavelength of the pulse when it reaches the top of the rope is $$\lambda $$2. The ratio $$\lambda $$2/$$\lambda $$1 is
A
$$\sqrt {{{{m_2}} \over {{m_1}}}} $$
B
$$\sqrt {{{{m_1} + {m_2}} \over {{m_1}}}} $$
C
$$\sqrt {{{{m_1}} \over {{m_2}}}} $$
D
$$\sqrt {{{{m_1} + {m_2}} \over {{m_2}}}} $$
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
A capacitor of 2 $$\mu $$F is charged as shown in the diagram. When the switch S is turned to position 2, the percentage of its stored energy dissipated is
NEET 2016 Phase 1 Physics - Capacitor Question 28 English
A
75%
B
80%
C
0%
D
20%
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