Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 60 cm. 120 cm. 30 cm. 90 cm. 60 cm. 120 cm. 30 cm. 90 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Endoscopy Ultrasound scans X-ray photos CAT scans Endoscopy Ultrasound scans X-ray photos CAT scans ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Volume expansion Apparent expansion Linear expansion Areal expansion Volume expansion Apparent expansion Linear expansion Areal expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P/3 P 3P 2p/ 3 P/3 P 3P 2p/ 3 ANSWER DOWNLOAD EXAMIANS APP
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