1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
The molecules of a given mass of a gas have r.m.s. velocity of 2000 m s$$-$$1 at 27oC and 1.0 $$ \times $$ 105 N m$$-$$2 pressure. When the temperature and pressure of the gas are respectively, 127oC and 0.05 $$ \times $$ 105 N m$$-$$2, the r.m.s. velocity of its molecules in m s$$-$$1 is
A
$${{100\sqrt 2 } \over 3}$$
B
$${{100} \over 3}$$
C
$$100\sqrt 2 $$
D
$${{400} \over {\sqrt 3 }}$$
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
A refrigerator works between 4oC and 30oC. It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is (Take 1 cal = 4.2 Joules)
A
236.5 W
B
2365 W
C
2.365 W
D
23.65 W
3
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
4
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
$$\sqrt {{{{m_1} + {m_2}} \over {{m_2}}}} $$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12