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(i) [Ni(CN)4]2–Ni is in the +2 oxidation state i.e., in d8 configuration. There are 4 CN− ions. Thus, it can either have a tetrahedral geometry or s
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माना दिए गए प्रत्येक घन की भुजा = a cm
प्रश्नानुसार,
दिए गए प्रत्येक घन का आयतन = 64 cm3
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Resource Centre! You can get resources online for free for NEET, NEET's previous year solved paper, and JEE, JEE Previous year solved papers! Students can also find the previous year's papers etc. This is an o

Size of central maximum ∝ λa. When, width of the slit is halved, size becomes double and intensity reduces to one-fourth. 
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Total CP of both TV s = 2 Rs 10, 000                            = Rs 20,000For 1st TV:         CP = Rs 1,000.
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def push(Books):
Stack.append(Books)
print Element: , Book, inserted successfully
def pop():
if Stack == []:
print( Stack is empty! )
else:
print( De
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King Tut was a boy king of Egypt. He belonged to a very powerful dynasty that ruled Egypt for centuries. He was the last heir of his mighty kingdom. He was qui
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(i) Volume of solution = 1 L = 1000 mLDensity of solution = 1.84 g mL–1Mass of solution = V x d= (1000 mL) x 1.84 mL–1= 18540 gMass of H2SO4 =
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When a new stamp is issued, the stamp collectors buy that stamp and use them to the envelops on the very first day of the sale. The
new stamp gets the post mar
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दिन जल्दी -जल्दी ढलता है’ पंक्ति की आवृत्ति चार बार हुई है। यह पंक्ति कविता की टेक है। इस आवृत्ति से कविता की गेयता की विशेषता का पता चलता है।
(विस्तृत उत्तर जानने के लिए इस लिंक पर क्लिक करे)
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Archaeologists reconstruct the past in the following manners:
(i) They excavate the ancient sites related with culture or civilisation. They find out remains from the site such as seal, material remains of houses, buildings, pots, ornaments, tools, coins, weights, measurements and toys etc.

(ii) Sometimes they find skull a, tones, teeth, jaws, and some articles kept with the bodies. Archaeologists take help of botanists, who are specialists in ancient plant remains. They also study the animal bones found at different sites with the help of zoologist.

(iii) Archaeologists try to identif

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In a satellite, there is condition of weightlessness. Therefore, mg = 0. On account of electrostatic force of repulsion between the balls, the strings would bec
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f (x) = 3 x4 + 4 x3 – 12 x2 + 12f (x) = 12 x3 + 12 x2 – 24 x = 12 x (x2 + x – 2)f (x) = 12 x (x – 1) (x + 2) f (x) = 0 ⇒ 12 a (x – 1) (
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