Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus does not change whereas its atomic number changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus changes whereas its atomic number does not change Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus does not change whereas its atomic number changes Both the mass number and the atomic number of the nucleus change ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Below 02 kHz Above 20 kHz Above 20,000 kHz Below 20 kHz Below 02 kHz Above 20 kHz Above 20,000 kHz Below 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when The amplitude of a wave exceeds its wavelength A wave reflects upon itself Two waves overlap The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength A wave reflects upon itself Two waves overlap The speed of the wave is zero or near zero ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Scattering of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 300000 deg Cent 30000 deg Cent 300 deg Cent 3000 deg Cent 300000 deg Cent 30000 deg Cent 300 deg Cent 3000 deg Cent ANSWER DOWNLOAD EXAMIANS APP
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