A tank filled with water has marks every 10 cm on one wall.

The refractive index is 1.33 for water in the tank.
You observe the marks out in air, from the opposite wall and with your eye level with the top of the water.

Which is the lowest or highest mark that you can see?

You can see all the marks
A) The mark at 10 cm

B)The mark at 20 cm
C)The mark at 30 cm

D)The mark at 40 cm

E)The mark at 50 cm

F)The mark at 60 cm

G)The mark at 70 cm

  1. 👍
  2. 👎
  3. 👁
  1. i think it shld be B

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Calculus

    A tank of water in the shape of a cone is being filled with water at a rate of 12 m^3/sec. The base radius of the tank is 26 meters and the height of the tank is 8 meters At what rate is the depth of the water in the tank changing

  2. Maths

    A rectangular water tank is being filled at a constant rate of 101t/s.The base of the tank has width,w=10m and length,l=15m. If the volume of the tank is given by v=w*l*h where h represents the height of the tank,what is the rate

  3. Physics II

    A large cylindrical water tank 11.5 m in diameter and 13.5 m tall is supported 8.75 m above the ground by a stand. The water level in the tank is 10.6 m deep. The density of the water in the tank is 1.00 g/cm3. A very small hole

  4. Math

    A rectangular tank 40cm wide by 50 cm long by 30 cm high is filled up with water up to 2/3 of its height .water flows from a tap into the tank at a rate of 0.5 liter per minute. Find the amount of water in the tank after 30

  1. Mathematics

    A hemispherical tank is filled with water and has a diameter of 12 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?

  2. algebra

    Joe's larger tank is completely filled with water. He takes water from it to completely fill the small tank. Determine how many cubic inches of water will remain in the larger tank The larger tank is 12 x 30 x 16 and the smaller

  3. maths

    A water tank has the shape of a rectangular prism of base 50 cm2. This tank is being filled at the rate of 12 liters per minutes. Find the rate at which the height of the water in the water tank increases; express your answer in

  4. physics

    A water tank is filled to a depth of 10 m and the tank is 20 m above ground. The water pressure at ground level in a hose 2 cm in diameter is closest to: A) 3.9 × 105 N/m2 B) 2.0 × 104 N/m2 C) 9.2 N/m2 D) The cross-sectional

  1. geometry

    A hemisphere tank is filled with water and has a diameter of ten feet. If the water weighs 62.4 pounds per cubic foot, what is the total weight of water in a full tank?

  2. Math

    7/11litres of a tank is filled with water.24 litres more water are needed to fill the tank completely.What is the volume of water in the tank now?

  3. Physics

    In many locations, old abandoned stone quarries have become filled with water once excavating has been completed. While standing on a quarry wall, a boy tosses a piece of granite into the water below. If he throws the rock

  4. Math

    a rectangular tank with a square base of side 60 centimeters and a height of 45 centimeters is one third filled with water. water from a tap flows into the tank at 6 liters per minute. how long will it take to fill the tank

You can view more similar questions or ask a new question.