Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 24 50 36 12 24 50 36 ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Diffraction No option is correct Refraction Propagation Diffraction No option is correct Refraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Prism Concave lens Convex lens Glass slab Prism Concave lens Convex lens Glass slab ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves None of these Away from you Towards you Both A & B None of these Away from you Towards you Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 30 cm. 120 cm. 60 cm. 90 cm. 30 cm. 120 cm. 60 cm. 90 cm. ANSWER DOWNLOAD EXAMIANS APP
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