Ques No.1: Which from the following is true for "Sound"?
Ans: Sound cannot travel through a vacuum
Ques No.2: When white light is passed through a prism, it splits into______colors.
Ques No.3: 1 nanometer ?
Ans: 10^-9 meter
Ques No.4: Instrument used for measuring very high temperature is
Ques No.5: Sound waves are__________waves.
Ques No.6: The lifespan of White Blood Cells is_______day(s).
Ques No.7: The fluid part of blood is known as
Ques No.8: X-rays were discovered by
Ques No.9: The speed of light is
Ans: 300,000 km/s
Ques No.10: During winter in cold countries, the________is mixed to melt the ice on the icy roads.