Dilana Asked: June 2023 A ray of light is incident on a plane mirror along a vector i+j+k. The normal on incidence point is along vector i +
Dilana Asked: December 2022 Thanks to all who wished me good luck and gave me tips for my NTSE stage 2 exam cause I qualified stage
Dilana Asked: December 2022 A candle flame 1 cm high is imaged in a ball bearing of diameter 0.4 cmn. If the ball bearing is 20 cmaway