For a spherical mirror focal length ‘f ’ and radius of curvature ‘R' are correlated as :
In which of the following, the image of an object placed at infinity will be highly diminished and point sized ?
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When a ray of light travelling parallel to the principal axis of a concave mirror strikes at the polished surface of mirror, the reflected ray
The path of a ray of light coming from air passing through a rectangular glass slab traced by four students are shown as A, B, C and D in figure. Which one of them is correct?
No matter how far or close you stand from a mirror, your image is always virtual and erect. The mirror is
Under which of the following conditions a concave mirror can form a real and inverted image larger than the actual object ?
In torches, search lights and headlights of vehicles the bulb is placed
A linear object is placed at a distance equal to focal length of a convex mirror. Its image is formed
A full length image of a distant tall building can definitely be seen by using
As per the cartesian sign convention followed for mirrors and lenses
Magnification produced by a rear view mirror fitted in vehicles
In a convex mirror for any position of the object in front of mirror, the image formed is
Which of the following statements is/are true?
An object is placed at a distance of 15 cm from a concave mirror and its real image is formed at 30 cm in front of that mirror. The focal length of the mirror is
A beam of light is incident through the holes on side A and emerges out of the hole on the other face of the box as shown in the figure. Which of the following could be inside the box?
A ray of light AM is incident on a concave mirror as shown below. Then which of the following ray diagrams is correct for the reflected ray ?
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the figure. Which of the following could be inside the box ?
In which of the following, the image of an object placed at infinity will be highly diminished and point sized ?
A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be
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