Physics-
General
Easy
Question
Water is filled in a cylindrical container to a height of 3 m. The ratio of the cross–sectional area of the orifice and the beaker is 0.1. The square of the speed of the liquid coming out from the orifice is (g = 10 
)
The correct answer is:
Related Questions to study
physics-
The adjacent graph shows the extension 
of a wire of length 1m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross–sectional area of the wire is 
, calculate the Young's modulus of the material of the wire :–
The adjacent graph shows the extension of a wire of length 1m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross–sectional area of the wire is , calculate the Young's modulus of the material of the wire :–
physics-General
physics-
A wooden block, with a coin placed on its top, floats in water as shown in figure. The distance 
and h are shown there. After some time the coin falls into the water. Then:–
A wooden block, with a coin placed on its top, floats in water as shown in figure. The distance and h are shown there. After some time the coin falls into the water. Then:–
physics-General
physics-
A hemispherical portion of radius R is removed from the bottom of a cylinder of radius R. The volume of the remaining cylinder is V and mass M. It is suspended by a string in a liquid of density 
, where it stays vertical. The upper surface of the cylinder is at a depth h below the liquid surface. The force on the bottom of the cylinder by the liquid is :–
A hemispherical portion of radius R is removed from the bottom of a cylinder of radius R. The volume of the remaining cylinder is V and mass M. It is suspended by a string in a liquid of density , where it stays vertical. The upper surface of the cylinder is at a depth h below the liquid surface. The force on the bottom of the cylinder by the liquid is :–
physics-General
physics-
There is a circular tube in a vertical plane. Two liquids which do not mix and of densities 
and 
are filled in the tube. Each liquid subtends 
angle at centre. Radius joining their interface makes an angle 
with vertical. ratio 
is
There is a circular tube in a vertical plane. Two liquids which do not mix and of densities and are filled in the tube. Each liquid subtends angle at centre. Radius joining their interface makes an angle with vertical. ratio is
physics-General
physics-
A thin liquid film formed between a U-shaped wire and a light slider supports a weight of 
(see figure). The length of the slider is 30 cm and its weight negligible. The surface tension of the liquid film is :-
A thin liquid film formed between a U-shaped wire and a light slider supports a weight of (see figure). The length of the slider is 30 cm and its weight negligible. The surface tension of the liquid film is :-
physics-General
physics-
A jar is filled with two non-mixing liqudis 1 and 2 having densities 
and 
, respectively. A solid ball, made of a material of density 
, is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for 
and
A jar is filled with two non-mixing liqudis 1 and 2 having densities and , respectively. A solid ball, made of a material of density , is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for and
physics-General
physics-
In experiment for measuring surface tension by capillary rise method, reading or positions A,B, C and D for internal diameter of capillary tube are given as under
Mean intenal radius of capillary is
In experiment for measuring surface tension by capillary rise method, reading or positions A,B, C and D for internal diameter of capillary tube are given as under
Mean intenal radius of capillary is
physics-General
physics-
Statement-I : In Searle’s experiment, extension versus load curve is drawn as shown In the plot the first two readings are not lying on the straight line.
Statement-II : Experiment is performed incorrectly
Statement-I : In Searle’s experiment, extension versus load curve is drawn as shown In the plot the first two readings are not lying on the straight line.
Statement-II : Experiment is performed incorrectly
physics-General
physics-
The stress - strain graphs for materials A and B are as shown Choose the correct alternative
The stress - strain graphs for materials A and B are as shown Choose the correct alternative
physics-General
physics-
In the experiment to determine Young’s modulus of the material of a wire under tension used in the arrangement as shown The percentage error in the measurement of length is ‘a’, in the measurement of the radius of the wire is ‘b’ and in the measurement of the change in length of the wire is ‘c’ Percentage error in the measurement of Young’s modulus for a given load is
In the experiment to determine Young’s modulus of the material of a wire under tension used in the arrangement as shown The percentage error in the measurement of length is ‘a’, in the measurement of the radius of the wire is ‘b’ and in the measurement of the change in length of the wire is ‘c’ Percentage error in the measurement of Young’s modulus for a given load is
physics-General
physics-
The graph shows the change ' ' in the length of a thin uniform wire used by the application of force ‘F’ at different temperatures T1 and T2 The variation suggests that
The graph shows the change ' ' in the length of a thin uniform wire used by the application of force ‘F’ at different temperatures T1 and T2 The variation suggests that
physics-General
physics-
The load versus extension graph for four wires of same material is shown The thinnest wire is represented by the line
The load versus extension graph for four wires of same material is shown The thinnest wire is represented by the line
physics-General
physics-
Statement–I : As wind flows left to right and a ball is spined as shown, there will be a lift of the ball.
Statement–II : Decrease in velocity of air below the ball, increases the pressure more than that above the ball
Statement–I : As wind flows left to right and a ball is spined as shown, there will be a lift of the ball.
Statement–II : Decrease in velocity of air below the ball, increases the pressure more than that above the ball
physics-General
physics-
Newton's laws of motion can be applied to a block in liquid also. Force due to liquid (e.g., upthrust) are also considered in addition to other forces. A small block of weight W is kept inside. The block is attached with a string connected to the bottom of the vessel. Tension in the string is W/2 If weight of the block is doubled, then tension in the string becomes x times and the time calculated above becomes y times. Then
Newton's laws of motion can be applied to a block in liquid also. Force due to liquid (e.g., upthrust) are also considered in addition to other forces. A small block of weight W is kept inside. The block is attached with a string connected to the bottom of the vessel. Tension in the string is W/2 If weight of the block is doubled, then tension in the string becomes x times and the time calculated above becomes y times. Then
physics-General
physics-
Newton's laws of motion can be applied to a block in liquid also. Force due to liquid (e.g., upthrust) are also considered in addition to other forces. A small block of weight W is kept inside. The block is attached with a string connected to the bottom of the vessel. Tension in the string is W/2 The string is cut. Find the time when it reaches the surface of the liquid
Newton's laws of motion can be applied to a block in liquid also. Force due to liquid (e.g., upthrust) are also considered in addition to other forces. A small block of weight W is kept inside. The block is attached with a string connected to the bottom of the vessel. Tension in the string is W/2 The string is cut. Find the time when it reaches the surface of the liquid
physics-General
