1) What year did Andrei Marie Ampere born? a) 1775 b) 1795 c) 1696 2) Michael Faraday is one of the greatest _________? a) influence on 20th century physics b) brilliant German physicist c) greatest scientist of the 19th century 3) What is microwaves? a) have longest wavelength b) have a very short wavelength c) red end of visible spectrum 4) Electromagnetic Radiation consist of? a) Electric and magnet fields b) The electric current supplies household telecommunications c) Natural and manmade resources 5) Henri Hertz born in? a) Germany b) England c) France 6) What is photography ______?  a) use of light in medical treatment of a variety b) Diameter of a human hair drawn glass c) The strand arranged in bundles 7) Continental- continental occur? a) subduction b) collision c) warmer less dense 8) What is crust? a) outermost layers of the Earth b) devided into the outer and inner core c) composed magma 9) Real images formed by________? a) projecting into the screen b) lenses c) upright images 10) Curved mirrors used in? a) ophthalmoscope b) safety ang security purposes c) optical instruments

Educational

สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม