Physics Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct? 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. Jet streams are typically continuous over long distances. It is narrow band of high-velocity wind. 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. Jet streams are typically continuous over long distances. It is narrow band of high-velocity wind. ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Ultraviolet Visible Infrared X-ray Ultraviolet Visible Infrared X-ray ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Evaporation Vaporisation Diffusion Sublimation Evaporation Vaporisation Diffusion Sublimation ANSWER DOWNLOAD EXAMIANS APP
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