Question
Among the following, who first used the term
Nanotechnology?Solution
After fifteen years, Norio Taniguchi, a Japanese scientist was the first to use and define the term “nanotechnology” in 1974 as: “nanotechnology mainly consists of the processing of separation, consolidation, and deformation of materials by one atom or one molecule”
A man first travels 140 km at 70 km/hr and next 140 km at 35 km/hr. The average speed for the first 280 km of his travelling is:
In a 500-metre race, ‘A’ beats ‘B’ by 10 seconds or 50 metres. Find the time taken by ‘B’ to finish the race.
The combined cost price and marked price of Watch 'A' amounts to Rs. 11,000, while for Watch 'B', the total is Rs. 13,400. Watch 'A' is marked 20% above...
- P' travelled from Delhi to Agra, covering a total distance of 396 km. For the initial three hours, he maintained an average speed of ‘a’ km/h. After th...
A was travelling from point X to point Y. He increased his speed by 18 km/h after every hour. He reached his destination in 20 hours. If his initial spe...
Anju's journey comprises three segments. He travels the first 'd - 30' km at a speed of 12 km/h, the next 'd' km at a speed of 30 km/h, and finally, she...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 15 km/hr and 10 km/hr, respectively. If the di...
Two trains depart from the same station. The first train departs at 8:00 A.M., traveling at a speed of 60 km/h. Two hours later, at 10:00 A.M., the seco...
A man travelled a total distance of 350 km. He travelled first 200 km on car with a speed of 20 km/h and rest of the distance on bike whose speed is 5 k...
A train is travelling at the rate of 54 km/hr. How many seconds it will take to cover a distance of 3/5 km?
Relevant for Exams:
