Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Fahrenheit Kelvin Galileo Celsius Fahrenheit Kelvin Galileo Celsius ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Low viscosity of oil Pressure difference Gravitational force Capillary action Low viscosity of oil Pressure difference Gravitational force Capillary action ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Less than the true weight May be more or less than true weight Equal to the true weight More than the true weight Less than the true weight May be more or less than true weight Equal to the true weight More than the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics Two vectors are said to be equal if Both magnitude and direction are same Magnitudes are same but directions are opposite Only their magnitudes are same Only their directions are same Both magnitude and direction are same Magnitudes are same but directions are opposite Only their magnitudes are same Only their directions are same ANSWER DOWNLOAD EXAMIANS APP
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