Aeroplane was invented by
Answer : C. Orville and Wilber Wright
Crystals dynamics was invented by
Answer : C. C.V. Raman
who invented ultra violet rays?
Answer : A. Hershal
Who is the scientist in whose honour the "chandra" X-ray telescope has been named?
Answer : D. Subramanyan Chandra Sekar
Match List I correctly with List II and select your answer using the codes given below:
Answer : D. a-3 ,b-4 ,c-1 ,d-2
The force of attraction between planets was correctly given by
Answer : A. Kepler