1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $$\theta $$ without slipping and slipping down the incline without rolling is
A
5 : 7
B
2 : 3
C
2 : 5
D
7 : 5
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth (mass = 5.98 $$ \times $$ 1024 kg) have to be compressed to be a black hole?
A
10$$-$$9 m
B
10$$-$$6 m
C
10$$-$$2 m
D
100 m
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by
A
AIPMT 2014 Physics - Gravitation Question 47 English Option 1
B
AIPMT 2014 Physics - Gravitation Question 47 English Option 2
C
AIPMT 2014 Physics - Gravitation Question 47 English Option 3
D
AIPMT 2014 Physics - Gravitation Question 47 English Option 4
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Copper of fixed volume V is drawn into wire of length $$l$$. When this wire is subjected to a constant force F, the extension produced in the wire is $$\Delta $$$$l$$. Which of the following graphs is a straight line ?
A
$$\Delta $$$$l$$ versus 1/$$l$$
B
$$\Delta $$$$l$$ versus $$l$$2
C
$$\Delta $$$$l$$ versus 1/$$l$$2
D
$$\Delta $$$$l$$ versus $$l$$
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