Physics Which of the following has the highest frequency? Cosmic rays X-rays Radio waves Microwaves Cosmic rays X-rays Radio waves Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky We face sun and raindrops In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky We face sun and raindrops In light rainfall, we face Sun ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Beats Echo Resonance Doppler effect Beats Echo Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become One–fourth Double Half Four times One–fourth Double Half Four times ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Fusion reaction Photo-Chemical reaction Chemical reaction Fission reaction Fusion reaction Photo-Chemical reaction Chemical reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP
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