Physics A black body can absorb radiations of : Higher wavelengths only All wavelengths Lower wavelengths only Intermediate wavelengths only Higher wavelengths only All wavelengths Lower wavelengths only Intermediate wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates The liquid boils The liquid cools No change The liquid evaporates The liquid boils The liquid cools No change ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is used for sun glasses ? Crystal glass Crooks glass Flint glass Pyrex glass Crystal glass Crooks glass Flint glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Achromatic Diverging Spherical Converging Achromatic Diverging Spherical Converging ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Green Violet Blue Red Green Violet Blue Red ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms A virtual image An image type which depends on lens curvature A real image An image type which depends on object characteristics A virtual image An image type which depends on lens curvature A real image An image type which depends on object characteristics ANSWER DOWNLOAD EXAMIANS APP