Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Becomes zero Increases exponentially Remains constant None of these Becomes zero Increases exponentially Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct? In summer, the polar front jet achieves its maximum force. Jet streams are typically continuous over long distances. It follows the wave path near the tropopause at elevations of 8 km to 15 km. It is narrow band of high-velocity wind. In summer, the polar front jet achieves its maximum force. Jet streams are typically continuous over long distances. It follows the wave path near the tropopause at elevations of 8 km to 15 km. It is narrow band of high-velocity wind. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Violet Blue Red Green Violet Blue Red Green ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust is good conductor of heat Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice The water is absorbed by sawdust ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -4.33 diopters 12.33 diopters 4.33 diopters -12.33 diopters -4.33 diopters 12.33 diopters 4.33 diopters -12.33 diopters ANSWER DOWNLOAD EXAMIANS APP