When an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm, the position of the image is at infinity . The reason being, the image formed by a concave mirror is at infinity when an object is placed at its focus.
What is the position of the image when an object is placed at a distance of 10cm?
What is the position of an image, when an object is placed at a distance of 10cm in front of the concave mirror? The image is virtual and double in size as compared to the object .
What is the position of image?
A' = Position of an image of A. The distance of A from the mirror is the same as the distance of the A' from the mirror. Yes Paheli at B can see the object because reflected ray from A will reach B.
What will be position of image if object is placed 20cm in front of a concave mirror of focal length 15 cm?
hence object is placed between F and c and image formed is beyond C . —>AT A DISTANCE OF 60CM FROM THE MIRROR.
What is the focal length of a concave mirror if the distance to the object is 15 cm and the distance to the image is 20 cm?
object distance u = -15 cm (with sign convention) focal length, f = -20 cm .
What is the position of image when an object is placed at a distance of 10 cm from a concave lens of focal length 10cm?
Therefore, the position of image will be at infinity .
What is the position of an object is placed at a distance of 10cm from a convex lens of focal length 10 Centimetre?
It is said that the object is placed in front of the mirror at a distance of 10cm. Therefore, u=−10cm . The focal length of a convex mirror is always positive. Therefore, f=15cm.
What is the position of image in concave mirror?
| Positions of Object and Image in Concave Mirror | Position of Object Position of Image Nature of Image | At infinity At focus Real and inverted | Between infinity and C Between F and C Real and inverted | At C At C Real and inverted |
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What is the position of the object?
What is the position of an object? The True Position of any object is its exact coordinate or location defined according to the basic dimensions or other means. In other words, Position means how far your features location can vary from its “True Position”.
How do you find the position of an image in physics?
The position v of the image can be calculated from the lens equation: 1 12 + 1 v = − 1 4 , ∴ 1 v = − 1 4 − 1 12 = − 3 12 − 1 12 = − 1 3 . So, an upright image appears at v = −3 cm from the lens on the same as the object.
At what distance from a concave mirror of focal length 10 cm should an object be placed so that?
Here, in the given question the value of focal length that is f is -10 cm and the value of distance of image from the screen that is v is -35 cm. we get the value of u that is the distance of the object as – 14 cm which means it should be placed 14 cm away from the mirror.
Where should an object be placed in front of a concave mirror to get a real image?
An object should be placed within the focus (between the pole and the focus) and in front of the concave mirror to obtain a virtual, erect and magnified image. A concave mirror is a mirror that is curved inward in the middle.
What is the position of image when an object is placed at a distance of 20cm from a concave mirror of focal length 20 cm?
When an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm, the position of the image is at infinity . The reason being, the image formed by a concave mirror is at infinity when an object is placed at its focus.
At what distance from a concave mirror of focal length 15 cm should an object?
When an object is placed at a distance of 15 cm from a concave mirror its image is formed at 10 cm in front of the mirror. When an object is placed at a distance of 15 cm from a concave mirror, its image is formed at 10 cm in front of the mirror.
When an object is kept at a distance of 20cm from a concave mirror?
When an object is kept at a distance of 20 cm from a concave mirror, the image is formed at a distance of 10 cm. If the object is moved with a speed of 4 m/s, the speed with which the image moves is us-20 (A) 10 cm/sec (B) 1 m/sec (C) 4 m/sec (D) 0.4 m/sec.
What can you tell about the image of a 3 cm long object placed at a distance of 15 cm from a lens if the magnification is known to be 2?
Light – Reflection and Refraction . An object of size 3 cm is placed at a distance of 15 cm from a convex lens of focal length 10 cm. ... As v is +ve and h' is negative, so a real and inverted image is formed at 30 cm behind the lens.
