A laser ligh emits short pulses of red light.the wavelengthis 633nm.the diameter of the emergent beam is 2.54m.this laser beam is flashed on to the moon.if the distance of moon from earth is 3.84*10^5km,what will be the diameter of the spot on moon?
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Students! Let's do an activity. In given triangle ABC If AB=4cm, AC= 6 cm and three
Parallel lines cut AB at points P, Q and R in such that AP=PQ=QR=RS and AC point at X, Y and Z
such that
AX=XY=YZ=ZC, If PX || BC then what will AP PB AX XC =-?
Gaurav: AP PB AX XC 1 3 But I think this is BPT. Please Explain it.
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