Physics In which one of the following the phenomenon of total internal reflection of light is used ? Twinkling of stars Formation of rainbow Working of binoculars Formation of mirage Twinkling of stars Formation of rainbow Working of binoculars Formation of mirage ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Protons Electrons Photons Photoelectrons Protons Electrons Photons Photoelectrons ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. C. to A.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 700 nm 7 nm 70 nm 0.07 nm 700 nm 7 nm 70 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following events occurred first ? Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Madame Marie Curie became the first woman Nobel Prize winner Marconi first tranmitted a wireless signal Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Madame Marie Curie became the first woman Nobel Prize winner Marconi first tranmitted a wireless signal ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? Ultraviolet X-rays Infrared Visible Ultraviolet X-rays Infrared Visible ANSWER DOWNLOAD EXAMIANS APP
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