Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 30 cm. 60 cm. 120 cm. 90 cm. 30 cm. 60 cm. 120 cm. 90 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Real and inverted Real and erect Virtual and erect Virtual and inverted Real and inverted Real and erect Virtual and erect Virtual and inverted ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted In a curved path Due to total internal reflection In a straight line path Due to refraction In a curved path Due to total internal reflection In a straight line path Due to refraction ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 3 m 0.3 m 300 m 30 m 3 m 0.3 m 300 m 30 m 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 expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics If cream is removed from milk, its density Remains the same Decreases Increases May increase or decrease Remains the same Decreases Increases May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
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