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Question 2 :
Assertion: Assertion : If we perform an experiment in our laboratory today and repeat the same experiment on the same objects under identical conditions after a year, the results are found to be the same. Reason: Reason : The laws of nature do not change with time.

Question 4 :
State whether given statement is True or False.<br/>Cashless transaction can be carried out with ATM ?<br/>

Question 5 :
Which of the following is not the contribution of Sir Issac Newton?

Question 7 :
_____ suggested that the ships should be marked with load lines.<br>

Question 8 :
In which year did Hahn and Meitner discover the phenomenon of neutron-induced fission of uranium. ?

Question 12 :
He was a professor of mathematics at St. Petersburg University, Prof. of anatomy and physics at the University of Groningen, and prof. of physics, anatomy and botany at the University of Basle. But he is most famous for what is known as 'Bernouilli's theorem'. Name the outstanding mathematician- of a well-known Swiss family.

Question 13 :
A person walks $100$m, holding a suitcase of weight $100$N. The work done by the applied force is _________J.

Question 14 :
Nuclear power plant is example of invention related to which field ?<br>

Question 16 :
Assertion: Assertion : The elastic spring force arises due to the net attraction or repulsion between the neighbouring atoms of the spring when it is elongated or compressed. Reason: Reason : The laws of derived forces such as spring force, friction force are independent of the laws of fundamental forces in nature.

Question 17 :
The branch of science which deals with nature and natural phenomena is called

Question 19 :
The branch of science which deals with nature and natural phenomena is called