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In which decade were the first successful diode and triode vacu

Posted by P. Vasudevan December 25, 2022 - 1 vote - 71 views

In which decade were the first successful diode and triode vacuum tubes invented?
Test match

Posted by Alfred.J December 25, 2022 - 2 votes - 76 views

Who won the 2nd test match between India and Bangladesh
When was the first lawn mower invented?

Posted by P. Vasudevan December 25, 2022 - 0 votes - 126 views

When was the first lawn mower invented?
What plaything was invented by Joe McVicker in 1956?

Posted by P. Vasudevan December 25, 2022 - 0 votes - 81 views

What plaything was invented by Joe McVicker in 1956?
When was barb wire patented?

Posted by P. Vasudevan December 25, 2022 - 1 vote - 81 views

When was barb wire patented?
In which decade was the first solid state integrated circuit de

Posted by P. Vasudevan December 25, 2022 - 1 vote - 129 views

In which decade was the first solid state integrated circuit demonstrated?
Which scientist discovered the radioactive element radium?

Posted by P. Vasudevan December 25, 2022 - 0 votes - 74 views

Which scientist discovered the radioactive element radium?
Which scientist discovered the radioactive element radium?

Posted by P. Vasudevan December 25, 2022 - 0 votes - 77 views

Which scientist discovered the radioactive element radium?
Mineral

Posted by Pankajam December 25, 2022 - 2 votes - 83 views

Human bone consists of ______ mineral:
Will it rain tommorow

Posted by Kannan Ravichandran December 25, 2022 - 0 votes - 102 views

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