Physics Convex mirror is generally used in ________ Solar cookers Opthalmoscope Rear view mirror Reflector for head light Solar cookers Opthalmoscope Rear view mirror Reflector for head light ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 15 cm 10 cm 20 cm 5 cm 15 cm 10 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Vacuum Air Glass Water Vacuum Air Glass Water ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Sonar Maser Radar Laser Sonar Maser Radar Laser ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
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