Physics Danger signals are generally red as red light Undergoes least deviation Is least bright Gives comfort to eye Has lowest velocity Undergoes least deviation Is least bright Gives comfort to eye Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Gravity Buoyancy Both (A) and (B) Mass Gravity Buoyancy Both (A) and (B) Mass ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Anemometer Clinical Thermometer Kata Thermometer Sling Psychrometer Anemometer Clinical Thermometer Kata Thermometer Sling Psychrometer ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All ice will melt Only some ice will melt All water will become ice No change will happen All ice will melt Only some ice will melt All water will become ice No change will happen ANSWER DOWNLOAD EXAMIANS APP
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