Laws of Reflection

Q. The ray of light that reaches our eye from the mirror is known as:

1. Incident ray
2. Reflected ray
3. Normal
4. None of the above

Q.

Find the value of angle \(x\).

Q. A light ray is incident on a flat surface, making an angle of $60°$with the surface. What is the angle of reflection?

1. 
   $90°$
2. 
   $60°$
3. 
   $30°$
4. 
   $120°$

Q.

Incident ray is defined as:

1. The ray that hits the reflecting surface

2. The ray that bounces off the reflecting surface

3. The ray that is always perpendicular to the reflecting surface

4. None of the above

Q. What will be the angle of reflection if a ray of light strikes the mirror normally?

1. ${180}^{\circ }$
2. ${90}^{\circ }$
3. $0^{\circ }$
4. ${45}^{\circ }$

Q. If 10 parallel rays fall on a regular reflecting surface then the 10 reflected rays will be:

1. Parallel to each other
2. Inclined to each other
3. Opposite to incident rays
4. Parallel to incident rays

Q. When a plane mirror is rotated through an angle of $5^{\circ }$, the reflected ray is rotated through an angle of:

1. $5^{\circ }$
2. ${10}^{\circ }$
3. ${15}^{\circ }$
4. None of these

Q. The normal, incident ray and reflected ray lie in the planes which:

1. Are perpendicular
2. Are parallel
3. Are the same
4. Can lie anywhere

Q. Which of the following statement(s) is/are correct according to the laws of reflection?

1. Angle of incidence is equal to the angle of reflection.

2. Difference of the angle of incidence and the angle of reflection is ${90}^{\circ }$.

3. The incident ray, the normal and the reflected ray all lie in the same plane.

4. The incident ray, the normal and the reflected ray lie in perpendicular planes.

Q. Which of the following is true regarding diffused reflection?

1. On a rough surface, light is reflected in different directions.
2. On a smooth surface, light is reflected in different directions.
3. Light is completely absorbed.
4. Light is not reflected.