Science 10 Second Quarter Assessment PDF

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-··-·Na··­ /;§f->I --- fo..,_ !-.:· "/, /". - +\ \"t,\ (!\ ) ) \ \ ; / / \1 - jt;:,:._,. -i / l\.tpulllic of t i l'!lbtltppint 1!Btpartmtnt of efbucation Region IV-A CALABARZON SCHOOLS DIVISION OF BATANGAS CITY P. Herrera St., Batangas City SECOND QUARTER ASSESSMENT SCIENCE 10 Directions: Read and analyze the questions carefully. Choose the letter of the best answer. Write it on your paper. 1.Refer to the figure below. Which two waves lie on both ends of the visible spectrum? THE ELECTROMAGNETIC SPECTRUM ,.... , A. infrared and ultraviolet rays C. radio waves and microwaves B. radio and x-rays D. radio waves and gamma 2. What portion of electromagnetic radiation can be seen through human eye? A. microwaves 8. radio wave C. ultraviolet radiation D. visible light 3. Which of the following electromagnetic waves has shorter wavelength? A. infrared B. microwave C. radio D. X ray 4. Which of the following is the correct sequence of electromagnetic spectrum in order of increasing frequency? A. infrared, radio waves, ultraviolet, x -ray, and microwaves B. infrared, visible light, ultraviolet, x-ray and gamma ray C. gamma, x-ray, ultraviolet, visible, and infrared radiation D. x-rays, microwaves, infrared, visible light and ultraviolet 5. In the visible spectrum, which color has the longest wavelength? A. blue B. green C. red D. violet 6. The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 5.89 x 107 m. What is the frequency of this radiation? (v= 3x10 8 m/c) A. 4.34X107 Hz B. 5.09 X 10 14 Hz C. 7.88X10-12 Hz D. 8.02X10-18 Hz 7. SONAR is a device that uses reflected sound waves to measure underwater depths. If a Sound Navigation and Ranging has a frequency of 288 Hz and the speed of sound in water is 1.45 x10 3 m/s. What is the value of energy in Joule? A. 1.91X10-31 J B. 1.91X1031 J C. 2.30X10-36 J D. 3.91X1031 J 8. What type of radiation is most noticeable when given off by hot objects? A. infrared waves B. microwave C. ultraviolet waves D. visible waves 9. Why does red light have a longer wavelength than blue? A. The loner the wavelength the higher the frequency. B. The shorter the wavelength the lower the frequency. C. The longer the wavelength the lower the frequency and vice versa. D. The wavelength and frequency must be the same.