Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 90 cm. 30 cm. 60 cm. 120 cm. 90 cm. 30 cm. 60 cm. 120 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. It is a mode of transfer of heat through matter by molecular activity. ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Increases Unchanged Depends upon the metal Decreases Increases Unchanged Depends upon the metal Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Sound Light Heat Electromagnetic Sound Light Heat Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Elasticity Viscosity Porosity Density Elasticity Viscosity Porosity Density ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Photo-Chemical reaction Fusion reaction Chemical reaction Fission reaction Photo-Chemical reaction Fusion reaction Chemical reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP