Subject :NSO Class : Class 6
Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
Pulsars are the remains of a super giant star after the supernova. They are extremely bright even than super giant stars.
Ans 2:
Class : Class 6
Pulsars are type of neutron star with high electromagnetic radiation and high speed rotation. They are so dense that singe spoon of their matter would wight 2 bn tonnes.
Good question......
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
everything that you weannt to know about pulsars:- www.seasky.org/celestial-objects/pulsars.html
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
Ans 4:
Class : Class 8
TVN because if we see the difference between B and D ,it is C...similarly b/t J and M it is K L....next if we take P and K it is L M N O
....that shows the trend 1,2,4.....and it is the same with RSS and TVN.
HOPE IT HELPED YOU.
Ans 6:
Class : Class 9
Thanks!! It really helped me a lot. I really needed help in this ques. Thanks to those who posted the answer.
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
Ans 1:
Class : Class 3
dynamic friction:the force that must be overcome to maintain steady motion of one body realative to another because they are in contact.for eg-sking.
limiting friction:the force that can arise before the object begins to slide.it is slighyly greater than static friction for eg-internal combustion engines.
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Subject :NSO Class : Class 5
Ans 2:
Class : Class 7
Baking Powder is a base.It is sodium hydroxide(NaOH).
Vinegar is an acid.It is ascetic acid
Ans 4:
Class : Class 5
baking powder is a type of powder used to make cakes,cookies and many more. vinegar is a type of liquid used to make cakes,cookies and other junk foods.they are also used to do experiment.
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 7
acid is a word which came from latin "acidus/acidum mean sour.bases are the substances which give bitter in taste.
Ans 2:
Class : Class 8
some materials like lemon and vinegar taste sour due to the presence of materials/ chemicals called acids.
some materials like baking soda taste bitter due to the presence of chemicals / materials called bases.
Ans 3:
Class : Class 8
Acids are the chemicals which contain hydrogen ions and taste sour. They attain a pH value below 7 and are corrosive in nature. Bases are generally hydroxides, carbonates, bicarbonates or oxides of metals and bitter to taste. They attain a pH value above 7 and are soapy to touch.
Ans 4:
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Subject :NSO Class : Class 6