Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes R/2 3R/4 2R 5R/4 R/2 3R/4 2R 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The angle in which a cricket ball should be hit to travel maximum horizontal distance is : 45° with horizontal 30° with horizontal 60° with horizontal 15° with horizontal 45° with horizontal 30° with horizontal 60° with horizontal 15° with horizontal ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Barometer Cyanometer Bathymeter Ceraunograph Barometer Cyanometer Bathymeter Ceraunograph ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so In the same time with the same speed In the same time In the same time with the same kinetic energy With the same speed In the same time with the same speed In the same time In the same time with the same kinetic energy With the same speed ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of aircraft ships sound spacecraft aircraft ships sound spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of measurement of noise is Decibel Amplifier Acoustics Hertz Decibel Amplifier Acoustics Hertz ANSWER DOWNLOAD EXAMIANS APP