-
Day 3
1.A car of mass 1000kg is travelling at a speed of 20m/s when it collides with a stationary car of mass 1500kg.If the collision is perfectly inelastic.what is the combined velocity? 2.A block of mass 10kg is attached to a spring constant of 200m/m.if the block is displaced from its equilibrium position by 0.2m and…
-
Day 6
1.A parallel beam of light is incident on a glass slab of thickness t and refractive index n.What is the lateral displacement of the emergent ray with respect to the incident ray? 2.A thin lens of focal length f is placed in contact with a glass plate of refractive index n.A parallel beam of light…
-
Day 5
1.A lens with a focal length of 20cm is used to form an image of an object placed 30cm infront of it.If the object is moved 10cm closer to the lens,what is the distance between New object and the image? 2.A point object is placed at a distance of 20cm from a converging lens with…
-
Day 4
1.Water flows through a pipe of diameter 0.1m with a velocity of 4m/s.If the pipe branches into smaller pipes of diameter 0.03m and 0.02m,What is the ratio of the flow rates in the two smaller pipes? 2.A cylinder tank of radius 2m is filled with water to a height of 3m.What is the pressure at…
-
Day 3
1A spring of spring constant 200N/m is compressed by 5cm and used to launch a ball of mass 0.1kg horizontally off a table.The table is 1m high.What is the maximum horizontal distance that the ball can travel before hitting the ground? 2.A mass of 5kg is suspended from a spring that is hung from the…
-
Day 2
1.A block of mass m is placed on a smooth horizontal surface.A force is applied on the block at an angle alpa with the horizontal.Another force P is applied on the block at angle beta with the horizontal,if the block is in equilibrium,what is the ratio of P to F? 2.A car of mass 1200kg…
-
Day 1
1.A gas is compressed isothermally from an initial volume of 3m3 to a final volume of 1m3 .During the compression,the gas releases 300J of heat.If the pressure of gas beginning of the compression is 2 atm,what is the final pressure of the gas? 2.A particle is executing SHM with a frequency of 5Hz and an…