PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. According to cartesion sign convention, which mirror and which lens has negative focal length?
a. The focal length of is negative.
b. The focal length of is negative.
2. Name the mirror(s) that can give (i) an erect and enlarged image, (ii) same sized, inverted image.
The mirror that can give
a. an erect and enlarged image is .
b. same sized, inverted image is .
3. If an object is placed at the focus of a concave mirror, where is the image formed?
a. When the object is placed at the focus of a concave mirror, the final image is formed at .
b. Concave mirror is .
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