Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays ultraviolet light radio waves visible light X-rays ultraviolet light radio waves visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fission Radioactivity Nuclear fusion Artificial radioactivity Nuclear fission Radioactivity Nuclear fusion Artificial radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant speed Constant acceleration Constant velocity Varying acceleration Constant speed Constant acceleration Constant velocity Varying acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Magnetic image making Thermal image making Electromagnetic image making Electrostatic image making Magnetic image making Thermal image making Electromagnetic image making Electrostatic image making ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) Weighing will depend on their masses The silver piece will weigh more Both silver and gold pieces weigh equal The gold piece will weigh more Weighing will depend on their masses The silver piece will weigh more Both silver and gold pieces weigh equal The gold piece will weigh more ANSWER DOWNLOAD EXAMIANS APP