Physics Beta rays emitted by a radioactive material are Electromagnetic radiations Neutral particles Charged particles emitted by nucleus The electrons orbiting around the nucleus Electromagnetic radiations Neutral particles Charged particles emitted by nucleus The electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change First increases and than decreases Decreases Increases No change First increases and than decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fusion Artificial radioactivity Nuclear fission Radioactivity Nuclear fusion Artificial radioactivity Nuclear fission Radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Atmospheric water vapour Scattering of light Emision of blue wavelength by the sun Reflection on sea water Atmospheric water vapour Scattering of light Emision of blue wavelength by the sun Reflection on sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Steam pierces through the pores of body quickly Temperature of steam is higher Steam has latent heat Steam is gas and engulfs the body quickly Steam pierces through the pores of body quickly Temperature of steam is higher Steam has latent heat Steam is gas and engulfs the body quickly ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength of a wave is the distance between Crest and Trough Both B & C Crest and Crest Trough and Trough Crest and Trough Both B & C Crest and Crest Trough and Trough ANSWER DOWNLOAD EXAMIANS APP
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