Saturday, February 2, 2019

UMBRA AND PENUMBRA - LIGHT, SHADOWS AND REFLECTIONS - CBSE CLASS 6 SCIENCE

UMBRA AND PENUMBRA - LIGHT, SHADOWS AND REFLECTIONS - CBSE CLASS 6 SCIENCE

After completing this video learner will understand the concept of Umbra and Penumbra. Access all educational video only on Edubull.

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