Q 110 A microscope is focussed on a needle lying in an empty tank Now, the tank is - Physics - Current Electricity

Question

Q 110 A microscope is focussed on a needle lying in an empty tank
Now, the tank is filled with benzene to a height 120 mm The
microscope is moved 40 mm to focus the needle again The refractive
index of benzene is
1) 1 5
2) 2 5
3) 3 0
4) 4 5

Vijay Shankar Yadav · Accepted Answer

Dear Student,
Referactive index=Actual depthApparant depth=120mm(120-40)mm=1
5
Regards

Q.110. A microscope is focussed on a needle lying in an empty tank. Now, the tank is filled with benzene to a height 120 mm. The microscope is moved 40 mm to focus the needle again. The refractive index of benzene is 1) 1.5 2) 2.5 3) 3.0 4) 4.5

Q.110. A microscope is focussed on a needle lying in an empty tank. Now, the tank is filled with benzene to a height 120 mm. The microscope is moved 40 mm to focus the needle again. The refractive index of benzene is
1) 1.5
2) 2.5
3) 3.0
4) 4.5