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? 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Cosmic rays Ultra violet Red light Infra red Cosmic rays Ultra violet Red light Infra red ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance High melting point Low work function Low melting point Low resistance High melting point Low work function Low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Power Energy Angular momentum Momentum Power Energy Angular momentum Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to total internal reflection In a straight line path Due to refraction In a curved path Due to total internal reflection In a straight line path Due to refraction In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Velocity modulated Frequency modulated Amplitude modulated Unmodulated Velocity modulated Frequency modulated Amplitude modulated Unmodulated ANSWER DOWNLOAD EXAMIANS APP