Let the speed of the planet at the perihelion P in figure shown below be and the Sun-planet distance SP be . Relation between to the corresponding quantities at the aphelion is:
1.
2.
3.
4. None of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLet the speed of the planet at the perihelion P in figure shown below be and the Sun-planet distance SP be . Will the planet take equal times to traverse BAC and CPB ?
1. No
2. Yes
3. Depends on mass of planet
4. We can't say anything
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThree equal masses of m kg each are fixed at the vertices of an equilateral triangle ABC. What is the force acting on a mass 2m placed at the centroid G of the triangle? Take AG = BG = CG = 1 m.
1.
2.
3. 0
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThree equal masses of m kg each are fixed at the vertices of an equilateral triangle ABC. What is the force acting on a mass 2m placed at the centroid G of the triangle if the mass at the vertex A is doubled? Take AG = BG = CG = 1 m.
1.
2.
3. 0
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe potential energy of a system of four particles placed at the vertices of a square of side l (as shown in the figure below) and the potential at the centre of the square, respectively, are:
1. and 0
2. 0 and
3. and
4. 0 and 0
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo uniform solid spheres of equal radii R, but mass M and 4M have a centre to centre separation 6R, as shown in the figure. The two spheres are held fixed. A projectile of mass m is projected from the surface of the sphere of mass M directly towards the centre of the second sphere. The expression for the minimum speed v of the projectile so that it reaches the surface of the second sphere is:
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe planet Mars has two moons, Phobos and Delmos. Phobos has a period of 7 hours, 39 minutes and an orbital radius of km. The mass of mars is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyYou are given the following data: g = 9.81 , m, the distance to the moon, R = m and the time period of the moon’s revolution is 27.3 days. Mass of the Earth in two different ways is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe moon is at a distance of km from the earth. Its time period of revolution in days is: (Given )
1. 17.3 days
2. 33.7 days
3. 27.3 days
4. 4 days
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology