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0.1For two balls of equal masses as shown in the figure, the magnitude of gravitational forcebetween them is F.mIn which of the conditions shown in the options below, the gravitational force remains samei.e., F?mm- 20-2m2mNaii)Al ens always produce virtual and diminished image.a) biconvexb) biconcave c) planoconvexd) bifocaliii) In appliance, Fleming's left hand rule is not used.a) electric fanb) mixerc) computerd) electric generatoriv) When a light ray makes an angle of 90° while entering a glass slab from air, ita) bends towards the normalb) goes away from the normal.c) goes straight without bending at glass-air interface.d) returns back into the air |
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