Physics In order to make an electromagnet you need a Iron nail Dry cell batteries All of these Thin coated copper wire Iron nail Dry cell batteries All of these Thin coated copper wire ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against X-rays Gamma rays Ultra-violet rays Infra-red rays X-rays Gamma rays Ultra-violet rays Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics Rise of oil a wick is due to Density of the oil Pressure of the oil Viscosity of the oil Surface tension of the oil Density of the oil Pressure of the oil Viscosity of the oil Surface tension of the oil ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Infrasonic wave Ultrasonic wave Microwave Audible wave Infrasonic wave Ultrasonic wave Microwave Audible wave ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Simple microscope Compound microscope Terrestrial telescope Astronomical telescope Simple microscope Compound microscope Terrestrial telescope Astronomical telescope ANSWER DOWNLOAD EXAMIANS APP