Q1 · hard · AI-verified
Which of the following correctly describes the image formed when an object is placed exactly at the centre of curvature (C) of a concave mirror?
- Real, inverted, same size as object, formed at C
- Real, inverted, diminished, formed at F
- Real, inverted, magnified, formed between F and C
- Virtual, erect, same size as object, formed at C
Q2 · easy · AI-verified
Which type of mirror is used as a rear-view mirror in vehicles?
- Concave mirror
- Bifocal mirror
- Convex mirror
- Plane mirror
Q3 · hard · AI-verified
An object 4 cm tall is placed 20 cm in front of a convex mirror of focal length 20 cm. What is the height of the image formed?
- 1 cm
- 2 cm
- 4 cm
- 3 cm
Q4 · hard · AI-verified
A concave mirror produces a real image 1.5 times the size of the object. If the image is formed 45 cm from the mirror, what is the object distance?
- 22.5 cm
- 20 cm
- 30 cm
- 45 cm
Q5 · easy · AI-verified
The angle of incidence is always equal to the angle of reflection. This statement represents which law?
- Snell's Law
- Law of Reflection
- Law of Refraction
- Law of Dispersion