Physics Forged documents are detected by Gamma rays Infra-red rays Beta rays Ultraviolet rays Gamma rays Infra-red rays Beta rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 8 T 1 T 2 T 4 T 8 T 1 T 2 T 4 T ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Interference of light Reflection by hot ground Diffraction of light Total internal reflection by layers of air Interference of light Reflection by hot ground Diffraction of light Total internal reflection by layers of air ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Non-absorber of heat Good absorber and good radiator of heat Good reflector of heat Bad absorber and bad radiator of heat Non-absorber of heat Good absorber and good radiator of heat Good reflector of heat Bad absorber and bad radiator of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Earth spinning on its axis Motion of a ceiling fan Simple pendulum motion Ball bouncing on floor Earth spinning on its axis Motion of a ceiling fan Simple pendulum motion Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP
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