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A fish is 1 m below water with the critical angle of 45°. What is the Area That it will be able to see on the surface of water. ...

Which is not true about total internal relfection ...

If in yet another accident, his eyes became movable horizontally, and could oscillate 1 metre from the center of his body towards the front his height became 6 meters, what is the length of the mirror needed! He is 2 meters f ...

If in another accident, his eyes became movable vertically, and could oscillate .1 metres from the center of his body on either side and his height went up to 4 meters, what is the length of the mirror needed! ...

A man whose height is 1 m sees himself in a vertical fixed mirror. What is the minimum height of the mirror needed? This man had once been transformed by a UFO that landed into his backyard such that his eyes came to the ...

A man whose height is 1 m sees himself in a vertical fixed mirror. What is the minimum height of the mirror needed? ...

In a very very long rectangular tunnel (cross section). The side surfaces are mirrors. The tunnel is 10 m wide. A girl stands 100m from a guy. How many images of the guy will she see? Both are exactly at the center of the ...

What is the no of images formed by 2 plane mirrors placed at an angle of 270°! ...

What is the no of images formed by 3 mirrors placed perpendicular to each other. Like the intersection of x,y,z axes! Find the number of images formed! ...

A pair of mirrors is such that they reflect 90% of the incident energy. The least intensity needed to see a reflection is 0.6 times incident intensity. What is the number of reflections needed to hide the image from naked eye ...

A pair of mirrors is such that they reflect 90% of the incident intensity. The least intensity needed to see a reflection is 0.6 times incident intensity. What is the number of reflections needed to hide the image from naked ...

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find the shape of the XeF2 ...

The shape of ClF3 molecule is ...

Which of the following has a shape different from others? ...

What is the hybridization of XeF4? ...

What is the shape of SF4? ...

Which of the following does not have a linear structure? ...

Which of the following has linear structure? ...

Which has minimum bond angle? ...

A projectile is thrown at a speed and angle such that the actual distance travelled is same as the theoretical distance. What is the work done by friction? ...

A man paddles a cycle applying a force, which is true? (The chain of the paddle is attached to the back wheel) Assume that there is no slipping! ...

In this same problem, which of these quantities is positive? i) Work by Gravity ii) Work by Friction iii) Work by Normal Reaction ...

In this question, what is the work done by the normal reaction? ...

If a man 50kg in weight rushes to the top of a flight of stairs 2 metres in height, What is the work done by gravity? ...

If a man 50kg in weight rushes to the top of a flight of stairs 2 metres in height, What is the work done by friction? μ=0.1 ...

In the same problem, who did work? ...

In the same problem, what was the loss due to friction? ...

In this problem, what is the work done by gravity? ...

A man travels 10 metres. His mass is 50 Kg. μ=.1 What is the work done by the friction? ...