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If u draw a ray diagram u get it...For a height H the minimum height of MIRROR TO OBTAIN A COMPLETE IMAGE is H/2 therefore hsees 0.6 m...here position of mirror doesnt matter
all u need is to learn basics . if your basics are not clear no one can help. i m also a student . i can understand ur problem. i suggest u to start with ease. so use s.l.arora or modern abc then...
photo electric cells can be made by use of x-rays so answer of your question is yes. i hope this will help you :-)
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red light haves longer wavelenght than blue light. then how can you say that red light scatters more than blue. I’ve asked the condition in which this is possible.
First find focal length of individual lenses i.e f 1 & f 2 from lens formula,then use formula 1/F=1/f 1 +1/f 2 , where F is required focal length.
@ altaf , the negative signs means the image will be inverted , as in magnification we are taking the raio of the height / distance of image / object ,, so, if in the case of telescope , the image...
A concave mirror is a spherical mirror in which the reflecting surface and the center of curvature fall on the same side of the mirror. In other words, if the mirror coating lies outside of the...
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