Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Nylons Bakelit Polystyrene Polyesters Nylons Bakelit Polystyrene Polyesters ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. None of the given statements is correct. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. None of the given statements is correct. ANSWER DOWNLOAD EXAMIANS APP
Physics The modulus of rigidity is the ratio of Volume stress to volume strain Tensile stress to tensile strain Longitudinal stress to longitudinal strain Shearing stress to shearing strain Volume stress to volume strain Tensile stress to tensile strain Longitudinal stress to longitudinal strain Shearing stress to shearing strain ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Cylindrical concave Parabolic concave Plane Spherical convex Cylindrical concave Parabolic concave Plane Spherical convex ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS