Physics A copper disc has a hole. If the disc is heated, the size of the hole Decreases First increases and than decreases Increases No change Decreases First increases and than decreases Increases No change 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 In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 10 N 100 N 0.1 N 1 N 10 N 100 N 0.1 N 1 N ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have large coefficient of expansion Have high,specific heat Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat Have low specific heat Are lighter ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Both A & B Hot summer Winter Fall Both A & B Hot summer Winter Fall ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Magnetic field Sound waves Light rays Heat waves Magnetic field Sound waves Light rays Heat waves ANSWER DOWNLOAD EXAMIANS APP