The displacement-time graph of a body in motion is shown here. The corresponding velocity-time graph will be.
Answer is given as option A....is it correct?
One of the four identical light bulbs in a
series circuit has blown off as shown in the figure.
Which of the following statements is correct about the bulbs?
AZ will not glow while W, X and Y will glow as before.
BZ will not glow while W, X and Y will glow brighter than before.
CZ will glow brighter than before while W, X and Y will glow as before.
DNone of the bulbs will glow.
A spring is compressed between two toy carts of masses m1 and m2. When the toy carts are released then spring exerts equal and opposite average force on each for the same time t. Assume that there is no friction between the toy carts and the ground, the velocities of toy carts are
AIn opposite directions but in inverse ratio of their masses
BIn opposite directions but in direct ratio of their masses
CEqual and in opposite direction
DEqual and in same direction.
Read what Sarita wrote about an orange that she had observed and answer
• Its skin is orange in colour.
• It smells good.
• It is sweet.
• It is rather round.
• It is not heavy.
How many senses did Sarita use in her observation ?
Incorrect. How can touch(skin) sense the weight of an object?
Refer to the given Venn diagram and select the correct option for X, Y and Z.
AX could be beans whereas Y could be cotton shirt.
BY could be rotten fruits whereas Z could be aluminium can.
CX could be animal excreta whereas Y could be plastic container.
DX could be used syringe whereas Z could be dead leaves.