If a planet exists whose mass is twice that of the earth and whose radius is three times that of the earth, a1 kg mass on its surface would weight about
In Millikan s experiment oil drops are used to measure the elementary charge e. Which statement about the behaviour of the oil drops during the experiment is correct
If a person with a spring balance and a body hanging from it goes up and up in an airplane then the reading of the weight of the body as indicated by the spring balance will
A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h.The average speed of the car is
The two vectors to be combined have magnitude 60 N and 35 N. Pick the correct answer from those given below and tell why is it the only one of the three that is correct.
In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called:
An excess af silver nitrate is added to the aqueous barium chloride and the precipitate is removed by filtration. What are the main ions in the filtrate?
John hogg separated blue green algae and bacteria (prokaryotes) form nucleated protists and placed them in a separate group called Monera, within the kingdom.
Since they shared so much when they were growing up Elizabeth and Sarah have cultivated a very special friendship and even now confide their most intimate thoughts only to one another
It is characteristic of the Metropolitan Opera as of every major international company that the casting is based more on the availability of singers as it is on the tastes of the music director and the public
Traffic speed limits are set at a level that achieves some balance between the danger of _______ speed and the desire of most people to travel as quickly as possible
The newest fiber optic cables that carry telephone calls cross. country are made of glass so ______ that a piece 100 miles thick is clearer than a standard windowpane
