Class VII

In which decade was the transistor invented?
  1. 1940s
  2. 1950s
  3. 1960s
  4. 1980s
Name the instrument used to measure relative humidity
  1. Hydrometer
  2. Hygrometer
  3. Barometer
  4. Mercury Thermometer
Which scientist discovered the radioactive element radium?
  1. Isaac Newton
  2. Albert Einstein
  3. Benjamin Franklin
  4. Marie Curie
Where was the yo-yo invented?
  1. France
  2. United States
  3. Philippines
  4. England
In which decade was the first solid state integrated circuit demonstrated?
  1. 1950s
  2. 1960s
  3. 1970s
  4. 1980s
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP