The weight of a body felt in tap water and salty water are WA and WB respectively, then 1 point (a) WA =WB (b) WA > WB (c) WA < WB (d) WB = 2WA.​

Let (Delta W_a) and (Delta W_b) be the work done by the system A and B respectively in the previous question.

A glass ball hanging from the hook of a sensitive spring balance is completely submerged in highly salty water and tap water, one. If the readings of spring balance when the ball is in highly salty water and tap water are x and y respectively, then:

A body of weight W_1 displaces an amount of water W_2 . If the body floats:

Taps A,B and C are attached with a tank and velocity of water coming through them are 42L/h , 56L/h and 48L/h , respectively. A and B are inlets and C is outlet. If all the taps are opened simultaneously, tank is filled in 16 h. What is the capacity of the tank?

The work done in taking a unit positive charge from P to A is W_A and P to B is W_B . Then .

25mL samples of distiled water, tap water and boiled water required, respectively, 1mL, 13mL and 5mL of soap solution to form a permanent lather. The ratio of temporary to permanent hardness in the tap water is

Four students A, B, C and D while performing an experiment on establishing the relation between the loss of weight of a small solid when fully immersed In tap water and the weight of water displaced by it, used four different shapes of overflow-cans containing water The arrangement, the would give correct results, is that of student:

Two taps A and B supply water at temperature 10^(@)C and 50^(@)C respectively . Tap A alone fills the tank in 1 hour and tap B alone fills the tank in 3 hour. If we open both the taps together in the empty tank , if the final temperature of the water in the completely filled tank is found to be 5alpha ("in" "^(@)C) . Find the value of alpha . Neglect loss of heat to surrounding and heat capacity of the tank.

An object is weighted at the North Pole by a beam balance and a spring balance, giving readings of W_B and W_S respectively. It is again weighed in the same manner at the equator, giving readings of W'_B and W'_S respectively. Assume that the acceleration due to gravity is the same everywhere and that the balance are quite sensitive, Choose the wrong option