Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Isotopes of an element contain equal number of nucleons equal number of protons and electrons the same number of neutrons but different number of protons the same number of protons but different number of neutrons equal number of nucleons equal number of protons and electrons the same number of neutrons but different number of protons the same number of protons but different number of neutrons ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Working of binoculars Formation of rainbow Twinkling of stars Formation of mirage Working of binoculars Formation of rainbow Twinkling of stars ANSWER DOWNLOAD EXAMIANS APP
Physics Planets are non-luminous heavenly bodies luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle luminous heavenly bodies revolving around a star non-luminous heavenly bodies luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle luminous heavenly bodies revolving around a star ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
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