Welcome to your Light Waves(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. The electromagnetic waves that are sensitive to temperature changes areX-raysgamma raysultra violet raysinfra red rays2. Which section of the electromagnetic spectrum is emitted as thermal radiation?Ultra-violetGamma rayVisible lightInfra-red3. Shadows and eclipses result from thediffraction of lightrectilinear propagation of lightrefraction of lightreflection of light4. The distance from the dotted line to Point A, or the distance from the dotted line to Point D is known as the ______________.WavelengthFrequencyAmplitudePeriod5. If the distance from a light source to a screen is doubled, the illumination on the screen will benone quarter as muchthe sametwice as muchhalf as much6. An image in which no light rays can pass through it is called: PigmentTransparentTranslucentOpaque7. An annular eclipse of the sun is seen by an observer at a pointin the umbra produced by the earthin the penumbra produced by the moonin the umbra produced by the moonbeyond the vertex of the umbra cone of the moon8. What is the wavelength of a 92.9 MHz radio wave?32 cm32 m3.2 m32 mm9. Light is best described as a: ParticlePointWaveParticle and Wave10. The wavelength of ultraviolet radiation is 400nm. If the speed of light in air is 3x108m/s the the freqency of the ultraviolet radiation is7.5 e14Hz1.2 e11 Hz1.3 e-15 Hz7.5 e5 Hz11. Lenses are used in spectacles to treat some vision defects. The two main lens types are converging lenses and diverging lenses. Diverging lenses always produce virtual, diminished images. Which row of the table describes the images produced by a converging lens?  Type of image Size of image  A Only real Only magnified  B Either real or virtual Either magnified or diminished  C Either real or virtual Only magnified  D Only virtual Only diminished ABDC12. Which does not normally use infra-red radiation?electric grillintruder alarmsunbedtelevision remote controller13. The biggest disadvantage of incandescent lighting is:It's not white lightIt's expensiveIt's not heat efficientIt's not good for the environment14. Which of the following is different from othersinfra red raysgamma rayscathode raysXrays15. Which of the following waves cannot travel through a vacuum?infra red wavessound wavesradio waveslight waves16. The distance between A and F is the _____________.WavelengthPeriodFrequencyAmplitude17. Points B, E, G, and J on the wave are _______________.crestnodespitchtroughs18. A major property of light wave is that it isIn the form of longitudinal wavesElectromagnetic in naturePropagated in a curved lineElectrostatic in nature19. When waves in phase combine, it is called: Destructive InterferenceDestructive CombinationConstructive InterferenceConstructive Combination20. Total eclipse of the sun occurs whenozone layer is threatenedmoon is between the sun and the earthsun is between the moon and the earthearth is between the moon and the sun21. Which of the following are properties of a plane mirror image?A. The image is the same size as the object.B. The image is upright.C. The image is laterally inverted.A and BB and CA, B and CA only22. In a normal eye, light rays converge on the: RetinaIrisLensPupil23. A specific electromagnetic wave has a frequency greater than visible light. The wavelength of this wave is longer than that of X-rays. This electromagnetic wave is…a gamma wavan infrared wavea microwavean ultraviolet wave24. The direction of the path taken by light is calledlocusbeamlineray25. After randomly polarized light passes through a polarizer, it istotally polarized.partially polarizedrandomly polarized.totally blocked.26 out of 25Time is Up!
