sunita4831 Asked: June 2023 hydrogen is considered to be a better fuel than lpg why yet it is not used for householdpurposes why
sunita4831 Asked: June 2023 monochromatic light of wavelength 600 NM is incident from air on water .what is the wavelength frequency and speed of refracTed light
sunita4831 Asked: December 2022 a one half of a convex lens is covered with a black paper write your observation about themage so formed