Physics Skating on ice is possible because The pressure on the ice due to skate raises its melting point The surface of ice is smooth Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point The surface of ice is smooth Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a common first indicator of an approaching thunderstorm? A buildup of dark clouds Too hot Heavy wind Lightning A buildup of dark clouds Too hot Heavy wind Lightning ANSWER DOWNLOAD EXAMIANS APP
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. Jet streams are typically continuous over long distances. It is narrow band of high-velocity wind. It follows the wave path near the tropopause at elevations of 8 km to 15 km. In summer, the polar front jet achieves its maximum force. Jet streams are typically continuous over long distances. It is narrow band of high-velocity wind. It follows the wave path near the tropopause at elevations of 8 km to 15 km. ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? X-rays Visible Infrared Ultraviolet X-rays Visible Infrared Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? Both a and b They are the strongest forces in nature None They observe inverse square law Both a and b They are the strongest forces in nature None They observe inverse square law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Instability due to negative resistance Very low power consumptions Extremely high frequency response Very wide temperature range of operations Instability due to negative resistance Very low power consumptions Extremely high frequency response Very wide temperature range of operations ANSWER DOWNLOAD EXAMIANS APP