# Recently Active Physics Questions

• The mass of a body id 5kg and its acceleration is 4m/s2 a) 30N b) 20N c) 40N d) None of these ...
0·1· #Physics
replied2014-05-15 10:41:39
• Ratio of the SI to the CGS unit of force is a) 105 : 1 b) 1 : 105 c) 103 : 1 d) None of these ...
0·1· #Physics
replied2014-05-15 00:24:01
• Force is also defined as the product of a) Mass and velocity b) Velocity and Acceleration c) Mass and acceleration d) None ...
0·0· #Physics
• A body of mass 2 kg is moving with a velocity 8 m/s on a smooth surface. If it is to be brought to rest in 4 seconds, then the force to be applied is a) 8N b) 4N c) 2N d) 1N ...
0·0· #Physics
• How to calculate inclination angle when both x as well as y coordinates of the target is given (in projectile motion)? (as well as initial velocity) ...
replied2014-05-14 05:35:08
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replied2014-05-12 22:05:06
• A hammer of mass 1kg falls freely from a height of 2 m .Calculate The velocity a) 5.96 b) 6.26 c) 1.234 d) none ...
0·0· #Physics
• A person is jumping and another person is in a helicopter just vertically above that jumping man. Then according to the man in the helicopter the jumping man is in a) rest b) motion c) both d) none ...
0·0· #Physics
• A CHAIN CONSISTING OF 5 LINKS OF MASS 0.1 KG IS LIFTED VERTICALLY WITH A CONSTANT ACCELERATION OF 2.4 m/s^2 .THE FORCE OF INTERACTION BETWEEN THE TOP LINK AND LINK IMMEDIATELY BELOW IT WILL BE :- 1) 6.15 N 2) 4.92 N 3) 9.84 N ...
replied2014-05-11 08:42:39
• A uniform chain of mass m hangs from a light pulley,with unequal lengths of the chain hanging from the two sides of the pulley.The force exerted by the moving chain on the pulley is (a)mg (b)>mg (c)<mg (d)either (b) or ...
• Three concentric metallic spheres A, B and C have radii a, b and c (a<b<c) and surface charge densities on them are sigma ,,-sigma and sigma respectively. The valves of {{V}_{A}} and {{V}_{B}} will be *Image* a) frac{si ...
• Name SI unit of pressure a) N/m^2 b) Pa c) both d) none ...
0·2· #Physics
replied2014-05-10 11:00:45
• Two metal pieces having a potential difference of 800 V are 0.02 m apart horizontally. A particle of mass 1.96 X 10â€“15 kg is suspended in equilibrium between the plates. If e is the elementary charge, then charge on the par ...
• Isn't the answer (d) if the question was "Which of the following is true" ? The displacement is zero since the particle comes to the same point and the average speed is 3m/s. But the question was "Which statement is false" ? ...
0·1· #Physics
replied2014-05-09 09:45:14
• A hammer of mass 1kg falls freely from a height of 2 m .Calculate The ke. Of the hammer just before it touches the ground? a) 196 b) 19.6 c) 1.96 d) none ...
0·0· #Physics
• A charge Q is distributed over two concentric hollow spheres of radii r and (R>r) such that the surface densities are equal.The potential at the common centre a) frac{Q({{R}^{2}}+{{r}^{2}})}{4pi {{varepsilon }_{0}}(R+r)} b ...
• A solid conducting sphere having a charge Q is surrounded by an uncharged concentric conducting hollow spherical shell. Let the potential difference between the surface of the solid sphere and that of the outer surface of the ...
• Work done by a body in lifting a block upto a height 7 is a) positive b) negative c) zero d) none ...
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• An elephant and a pen are thrown from the south city tower. Just before they reach the ground, their velocities will be ________ and the total time taken to reach the ground by both will be ______. a) same, same b) same, diff ...
0·0· #Physics
• mark the correct option a) displacement>distance b) distance>displacement c) distance>=displacement d) none ...
0·0· #Physics
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replied2014-05-06 02:25:52
• A ball is thrown with some velocity from the ground and it takes 6s to return back. calculate the maximum height a) 30m b) 45m c) 10m d) none ...
0·0· #Physics
• A body starts from rest with uniform acceleration. If its velocity after n second is upsilon , then its displacement in the last two seconds is a) frac{2upsilon left( n+1 ight)}{n} b) frac{upsilon left( n+1 ight)}{n} c) frac{ ...
• A couple produces a) Purely linear motion b) Purely rotational motion c) Linear and rotational motion d) No motion ...
0·0· #Physics