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Focal length of a convex

A bi-convex lens with the focal length of 25 cm and a meniscus concave lens with the focal length of 10 cm, separated from each
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2. asked by Me
3. 263 views
a convex lens of focal length 30cm is cut half perpendicular to its principal axes what is its new focal length
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2. asked by sehrish
3. 606 views
A convex security mirror has a focal length of -0.25m. A person with a height of 1.5m is 4m from the mirror. calculate the image
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2. asked by lily
3. 1,723 views
A rose is placed 15.0 cm in front of a convex mirror of focal length 10.0 cm.I assume f= -10cm bc it's convex correct? giving me
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2. asked by Kayla
3. 632 views
A candle is placed 17.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves
1. 2 answers
2. asked by Mary
3. 2,650 views
A convex lens with a focal length of 20 cm is placed in front of a convex mirror with a focal length of 7.5 cm. A luminous
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2. asked by Samm
3. 845 views
A box is placed 50 cm away from a double convex lens. The image is on the opposite side of the lens, is inverted and 50 cm away
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2. asked by kate
3. 547 views
Focal length of a convex mirror is 10 cm where should an object be placed in front of a convex mirror so that the image of half
1. 2 answers
2. asked by Anisk
3. 1,894 views
Define the focal length of a convex mirror?
1. 1 answer
2. asked by Dylan
3. 427 views
Confused about the formula(1/-f)= (1/do)+(1/-di) For locating an image for a convex mirror. A rose is placed 15cm in front of a
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2. asked by Kayla
3. 628 views