Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water increases Boiling point of water increases Latent heat of vaporization of water decreases Boiling point of water decreases Latent heat of vaporization of water increases Boiling point of water increases Latent heat of vaporization of water decreases Boiling point of water decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Loudness Frequency Wavelength Amplitude Loudness Frequency Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Air, water and iron Iron, water and air Iron, air and water Water, iron and air Air, water and iron Iron, water and air Iron, air and water Water, iron and air ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct? Jet streams are typically continuous over long distances. In summer, the polar front jet achieves its maximum force. It follows the wave path near the tropopause at elevations of 8 km to 15 km. It is narrow band of high-velocity wind. Jet streams are typically continuous over long distances. In summer, the polar front jet achieves its maximum force. It follows the wave path near the tropopause at elevations of 8 km to 15 km. It is narrow band of high-velocity wind. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Less than one Zero One More than one Less than one Zero One More than one ANSWER DOWNLOAD EXAMIANS APP
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