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?

An object is placed at the principal focus of a concave lens. Which of the following options represents the characteristics of the image formed?

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