Please show full steps of question 1 and 2for full rating About the total intern

Question

Please show full steps of question 1 and 2for full rating

About the total internal reflection, which of the following statements is NOT true? It can happen when light travels from a glass to air. It can happen when light travels from water to air. It can happen when light travels in an optical fiber. It can happen when light is reflected at any angle. In a single split experiment, you see a central bright spot with some diffraction pattern on the screen. Which of the following statements is UNLIKELY to be right? The bright spot becomes larger as you decrease the width of the slit. The bright spot becomes larger as you increase the wavelength of light. The bright spot becomes larger as you move the screen further away. The bright spot becomes larger as you increase the intensity of light.

Explanation / Answer

1)d, the light must be incident at an angle greater than the critical angle

2) d, the intensity of the light should only affect the brightness of the bands, but not change their sizes

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