01 A box is raised to the same height either by lifting it…

RRB PYQ MCQ

02 Two machines lift the same load. Machine P requires an effort of…

RRB PYQ MCQ

03 An ideal inclined plane is 20 m long and raises a load…

RRB PYQ MCQ

01 A converging mirror has a radius of curvature of 30 cm. If…

RRB PYQ MCQ

02 A student notices that the image formed by a lens is virtual,…

RRB PYQ MCQ

03 Why does white light split into different colours when passing through a…

RRB PYQ MCQ

04 A car driver uses a rear-view mirror to observe vehicles behind. If…

RRB PYQ MCQ

05 Which scenario best illustrates the use of a convex mirror based on…

RRB PYQ MCQ

01 If the current in a conductor is doubled while it remains perpendicular…

RRB PYQ MCQ

01 If the frequency of a sound wave increases while its speed in…

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