sad news..........................scientist discovered CHAPARE VIRUS which cause Hemorrhage fever similar to EBOLA......And it transmit from human to human interaction... O God ! save us
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A converging lens is said to have positive focal length. A converging lens causes exiting rays to be more convergent coming out than they were entering the lens.
A converging lens is said to have positive focal length. A converging lens causes exiting rays to be more convergent coming out than they were entering the lens.A diverging lens is said to have negative focal length. A diverging lens causes exiting rays to be more divergent coming out than thay were enetering the lens.
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