General Science The two elements that are frequently used for making transistors are Niobium and Columbium Boron and Aluminium Silicon and Germanium Iridium and Tungsten Niobium and Columbium Boron and Aluminium Silicon and Germanium Iridium and Tungsten ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following rays are the most penetrating? Beta rays X-rays Alpha rays Gamma rays Beta rays X-rays Alpha rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
General Science Amalgams are Alloys which contain mercury as one of the contents Alloys which have great resistance to abrasion Alloys which contain carbon Highly coloured alloys Alloys which contain mercury as one of the contents Alloys which have great resistance to abrasion Alloys which contain carbon Highly coloured alloys ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Magnetosphere Troposphere Ionosphere Ozone layer Magnetosphere Troposphere Ionosphere Ozone layer ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following are the ingredients of gun metal? Iron, Zinc and Titanium Iron and Tin Copper, Tin and Zinc Iron, Brass and Tin Iron, Zinc and Titanium Iron and Tin Copper, Tin and Zinc Iron, Brass and Tin ANSWER DOWNLOAD EXAMIANS APP
General Science The wavelength of X-rays is of the order of 1 m 1 angstrom 1 cm 10 micron 1 m 1 angstrom 1 cm 10 micron ANSWER DOWNLOAD EXAMIANS APP