The bending of light as it passed from one transparent medium into another is called refraction. Place a pencil in an inclined position in a glass trough and fill three fourth of the trough with water.1. State true or false : The position of the portion of the pencil under water has changed.a. TRUEb. FALSE2. What shall be the reason for the change in the position of the pencil under water ?a. Due to reflectionb. Due to refraction3. Does the ray of light coming after reflection from the pencil undergo a deviation?a. YESb. NO4. What is the reason for the ray of light coming after reflection from the pencil undergo deviation?a. When light travels from air to air it deviates.b. When light travels from water to air it deviates.c. When light travels from water to oil it deviates.d. None of these5. Is there any change likely to occur if kerosene is used instead of water ?a. Pencil appears to be bent less.b. Pencil does not bent.c. Pencil appears to be bent more.d. None of these.