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If work W is done in blowing a bubble of radius R from a soap solution. Then the work done is blowing a bubble of radius 2R from the same solution is
18
Sep
If work W is done in blowing a bubble of radius R from a soap solution. Then the work done is blowing a bubble of radius 2R from the same solution is If work W is done in blowing a bubble of radius R from a soap solution. Then the work done is blowing a [...]
A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2×10^−2 N. To keep the wire in equilibrium, the surface tension in Nm^−1 of water is.
18
Sep
A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2×10^−2 N. To keep the wire in equilibrium, the surface tension in Nm^−1 of water is. A 10 cm long wire is placed horizontally on the surface of water and is gently pulled [...]
An elevator whose floor to ceiling distance is 2.50 m starts ascending with a constant acceleration of 1.25 m/s^2
18
Sep
An elevator whose floor to ceiling distance is 2.50 m starts ascending with a constant acceleration of 1.25 m/s^2 An elevator whose floor to ceiling distance is 2.50 m starts ascending with a constant acceleration of 1.25 m/s^2 September 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A particle is dropped from the top of a tower h metre high and at the same moment another particle is projected upward from the bottom. They meet when the upper one has descended a distance h/n. Show that the
18
Sep
A particle is dropped from the top of a tower h metre high and at the same moment another particle is projected upward from the bottom. They meet when the upper one has descended a distance h/n. Show that the a second stone is dropped. Prove that the distance between the stones after time t [...]
A square frame of side ‘L’ is dipped in a liquid. On taking out, a membrane is formed. If the surface tension of liquid is T, the force acting on one side of the frame will be
18
Sep
A square frame of side ‘L’ is dipped in a liquid. On taking out, a membrane is formed. If the surface tension of liquid is T, the force acting on one side of the frame will be a membrane is formed. If the surface tension of liquid is T A square frame of side 'L' [...]
A steel ball is dropped from the roof of a building. A man standing in front of a 1 m high window in the building notes that the ball takes 0.1 s to the fall from the top to the bottom of the window.
18
Sep
A steel ball is dropped from the roof of a building. A man standing in front of a 1 m high window in the building notes that the ball takes 0.1 s to the fall from the top to the bottom of the window. A steel ball is dropped from the roof of a building. [...]
Pressure inside two soap bubbles is 1.01 and 1.02 atmosphere. The ratio of their volume is:
18
Sep
Pressure inside two soap bubbles is 1.01 and 1.02 atmosphere. The ratio of their volume is: Pressure inside two soap bubbles is 1.01 and 1.02 atmosphere. The ratio of their volume is: September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 13 - Fluid Mechanics , Volume 1 ,
The driver of a car moving at 30 m/s suddenly sees a truck that is moving in the same direction at 10 m/s and 60 m ahead. The maximum deceleration of the car is 5 m/s^2. a. Will the collision occur if the
18
Sep
The driver of a car moving at 30 m/s suddenly sees a truck that is moving in the same direction at 10 m/s and 60 m ahead. The maximum deceleration of the car is 5 m/s^2. a. Will the collision occur if the a second stone is dropped. Prove that the distance between the stones [...]
Two small drops of mercury, each of radius R coalesce to form a single large drop. The ratio of the total surface energy before and after the change is:
18
Sep
Two small drops of mercury, each of radius R coalesce to form a single large drop. The ratio of the total surface energy before and after the change is: each of radius R coalesce to form a single large drop. The ratio of the total surface energy before and after the change is: Two small [...]
Divide a plane 10 m long and 5 m high into three parts so that a body starting from rest takes equal times to slide down these parts. Also find the time taken then.
18
Sep
Divide a plane 10 m long and 5 m high into three parts so that a body starting from rest takes equal times to slide down these parts. Also find the time taken then. Divide a plane 10 m long and 5 m high into three parts so that a body starting from rest takes [...]