adibafarooqui275 Asked: December 2022 iii define total internal reflection of light name the devices in whichinternal reflection of light is used
adibafarooqui275 Asked: December 2022 (i) What are the demerits of Mendeleev's periodic table?(ii) What is an alloy? Describe any four alloys which are used in daily lifeWhere
adibafarooqui275 Asked: December 2022 (iii) If the mass of a planet is eight times the mass of the earth and its radiustwice the radius of