What should be the position of an object in front of a concave mirror to get a real image having the same size as that of the object ?

Which of the following will never give a real image?

object is placed _________to obtain an inverted and enlarged image?

An object is placed at a distance of 10 cm in front of a concave mirror. Its image is formed at a distance at 15 cm on the same side. The focal length of the mirror is?

In which of the following cases does a concave mirror form a real image?

1. (i) Object placed between focus and pole
2. (ii) Object placed at infinity
3. (iii) Object placed at focus

An object is placed in front of a concave mirror of focal length 12 cm, at a distance of 8 cm. Its image is formed at a distance of?

An object is placed at a distance of 30 cm in front of a concave mirror of focal length 15 cm. The image formed is?

A ray of light is incident on the pole of a concave mirror. The acute angle between the incident ray and the principal axis will be called?

The sign of the magnification produced by a concave mirror is?

An object placed 30 cm from a concave lens forms a virtual erect image at a distance of 10 cm from the lens. The magnification produced by the lens is?

At which position on principal axis does a concave mirror forms a highly diminished, real and inverted image of an object?

A concave mirror having focal length of magnitude 20 cm forms a real image at a distance of 60 cm from it. The object distance (in cm) is?

A convex lens having power 5 D is placed in contact with a concave lens having power-3 D. The focal length of the combination will be?

A concave mirror forms a real, inverted and same-sized image of an object. Where is the object placed?

ഒരു കോൺകേവ് ദർപ്പണത്തിന് മുൻപിൽ വസ്തു വച്ചപ്പോൾ യഥാർത്ഥമോ മിഥ്യയോ ആയ യാതൊരു പ്രതിബിംബങ്ങളും ഉണ്ടായില്ല. എന്നാൽ എവിടെ ആയിരിക്കാം വസ്തു വെച്ചത്?