When a slide is placed 15 cm behind the lens in the projector, an image is formed 3 m in front of the lens. If the focal length of the lens is 14 cm, draw a ray diagram to show ...
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The above images are that of a specialized slide projector. Slides are small transparencies mounted in sturdy frames ideally suited to magnification and projection, since they have a very high resolution and a high image quality. There is a tray ...
50% of the offspring of Pooja’s brother are green eyed. With help of cross show how this is possible.
Pooja has green eyes while her parents and brother have black eyes. Pooja’s husband Ravi has black eyes while his mother has green eyes and father has black eyes. (a) On the basis of the above given information, is the ...
In which of the following applications of Iron, rusting will occur most? Support your answer with valid reason. A – Iron Bucket ...
Two students decided to investigate the effect of water and air on iron object under identical experimental conditions. They measured the mass of each object before placing it partially immersed in 10 ml of water. After a few days, the ...
The diagram above is a schematic diagram of a household circuit. The house shown in the above diagram has 5 usable spaces where electrical connections are made. For this house, the mains have a voltage of 220 V and the ...
Explain how the uterus and placenta provide necessary conditions for proper growth and development of the embryo after implantation?
How are variations useful for species if there is drastic alteration in the niches?
Why is it not possible to reconstruct the whole organism from a fragment in complex multicellular organisms?