Physics Large astronomical telescopes always use as objective lens combinations of lenses None of these mirror lens combinations of lenses None of these mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Square of the semi-major axis Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Square of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics The fuse in our domestic electric circuit melts when there is a high rise in Current Capacitance Inductance Resistance Current Capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? All of these Wind energy Hydrogen fuel Solar energy All of these Wind energy Hydrogen fuel Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Alloy and drop-forged steel Welded and alloyed Cast steel and chiseled Chiseled and drop forged Alloy and drop-forged steel Welded and alloyed Cast steel and chiseled Chiseled and drop forged ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Oxidation Beta-emission Gamma-emission Alpha-emission Oxidation Beta-emission Gamma-emission Alpha-emission ANSWER DOWNLOAD EXAMIANS APP