Q7. A ray of light from an underground laser pointer, is incident upon an spherical air bubble as shown in the figure below. The refractive index of water is 1.33. Complete the path of the ray until it exits the air bubble, showing clearly all angles at the boundaries. Show the working to calculate the angles in the space below. 25° Water Air bubble

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Q: Given the surface charge density ps = 100 µC/m², existing in the region p<0.2 m, z = 0, find E at…

A: Given that: ρs=100 μC/m2PA (ρ=0,z=0.5) mPB (ρ=0,z=-0.5) mWe can consider the value of radius ρ=0.2 m

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Q: Hi please i need help with attached. Thanks. Aisha.

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Q: 51, please.

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Q: 9. What is the clectric potential at P due to charges Q, and Qz? 1.0 m 0.50 m Q- 1.0 μC QQ-4.0 μC…

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Q: Suppose three negative charges are equally spaced on a semi-circle of radius R as shown. What is the…

A: Visualize the Problem: