Physics In the absence of ozone layer, which rays will enter into atmosphere? Visible X-rays Ultraviolet Infrared Visible X-rays Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve = Vp Cannot be determined Ve < Vp Ve > Vp Ve = Vp Cannot be determined Ve < Vp Ve > Vp ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations Charged particles emitted by nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to 0°C 273°C 100°C – 273°C 0°C 273°C 100°C – 273°C ANSWER DOWNLOAD EXAMIANS APP
Physics The source of the Sun's energy is the process of Nuclear fission Nuclear fusion Photoelectric emission Thermionic emission Nuclear fission Nuclear fusion Photoelectric emission Thermionic emission ANSWER DOWNLOAD EXAMIANS APP
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