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Write an activity to know the characteristics of image due to convex lens at various distances
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0
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3072
|
October 22, 2016
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If a person goes to a height equal to radius of earth from its surface, what would be his weight relative to that on the earth?
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0
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3072
|
August 19, 2016
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Discuss the salient aspects of B2C commerce
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0
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3072
|
August 2, 2016
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A train covered a certain distance at a uniform speed. If the train would have been 10 km/h faster,
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1
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2173
|
March 30, 2019
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Prove that: cos-1 12/13 + sin-1 3/5 = sin-1 56/65
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1
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2171
|
April 12, 2019
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Show that diagonal AC bisects ∠Aas well as ∠C and diagonal BD bisects ∠B as well AS ∠D
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1
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2171
|
April 9, 2019
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Calcium plays a very important role in the formation of bones
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1
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2171
|
February 3, 2017
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Try to collect all the currently accepted meanings for the word 'species'
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1
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2172
|
December 30, 2016
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An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide
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1
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2171
|
September 22, 2016
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Carbon dioxide is necessary for plants. Why do we consider it as a pollutant?
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0
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3069
|
March 20, 2018
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Ank these elements according to first ionization energy (highest to lowest) : Ne, F, O, N, C, B, Be, Li
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0
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3069
|
March 9, 2018
|
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Explain palindromic nucleotide sequence with the help of a suitable example
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0
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3069
|
September 1, 2016
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If A+B+C=5 and AB+BC+CA=10 then prove that A^3+B^3+C^3 -3ABC =-25
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1
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2170
|
June 21, 2019
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Express as rupees using decimals: (i) 7 paise
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1
|
2170
|
April 9, 2019
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Factorise : (i) x2 + xy + 8x + 8y
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1
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2170
|
April 3, 2019
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An astronaut by mistake
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1
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2170
|
December 24, 2016
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Why do different elements emit different flame colours when heated by the same non-luminous flame?
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0
|
3068
|
October 19, 2016
|
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Explain briefly the reason for the blue colour of the sky
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0
|
3067
|
October 19, 2016
|
|
What are the important diagrams in 12th std biology for boards?
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1
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2168
|
July 5, 2019
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Express as kg using decimals: (a) 2 g
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1
|
2168
|
April 8, 2019
|
|
For each of the following cases, identify the order with respect to the reactant, A
|
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0
|
3066
|
March 19, 2018
|
|
Plessy v. Ferguson was overturned in 1954 when the Supreme Court decided that
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2
|
1770
|
October 28, 2020
|
|
Derive an expression for the radius of interference when two soap bubbles of different radii are in contact
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0
|
3065
|
August 20, 2016
|
|
How to represent root 3 on number line?
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1
|
2167
|
July 3, 2019
|
|
NCERT Solutions for Class 12 Chemistry
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1
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2168
|
April 23, 2019
|
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Write the truth table for the circuit shown in figure below. Name the gate that the circuit resembles
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1
|
2167
|
December 10, 2016
|
|
Explain the advantage of cross-breeding of two species of
|
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1
|
2166
|
November 9, 2016
|
|
(a)Write the scientific name of the most common species of honey bee reared
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1
|
2166
|
August 31, 2016
|
|
Explain the significance of store of value function of money
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0
|
3063
|
November 21, 2016
|
|
Briefly describe the significance of cell division
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0
|
3063
|
July 21, 2016
|
|
A woman passes out hCG in the urine during the pregnancy. Why?
|
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0
|
3061
|
November 7, 2016
|
|
Two features 1 and 2 are marked on the given outline map of India. Identify these features
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1
|
2164
|
April 4, 2019
|
|
One half of a convex lens of focal length 10 cm
|
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1
|
2164
|
April 3, 2019
|
|
What is the value of x in the diagram below
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0
|
3060
|
April 27, 2019
|
|
Where this energy to excite electron comes from?
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0
|
3060
|
October 21, 2016
|
|
Show the expression for heat flow through a compound wall
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0
|
3060
|
August 22, 2016
|
|
In the circuit given below, Boojho observed that copper is deposited on the electrode
|
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0
|
3059
|
March 22, 2018
|
|
Why does the temperature of a substance remain constant during its melting point or boiling point?
|
|
0
|
3059
|
March 19, 2018
|
|
What is meant by Kabirlarai in Bengal?
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1
|
2162
|
February 17, 2017
|
|
Give scientific reasons of the following statements (i) Adrenals are called glands of emergency. (ii) Parathormone is also called Collip's hormone
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1
|
2162
|
February 3, 2017
|
|
List out some common features in cat, rat and bat
|
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0
|
3057
|
March 21, 2018
|
|
What are the divisions in the brain ? What are their functions?
|
|
0
|
3057
|
September 7, 2017
|
|
"Smoke coming out of coal fired in chimney appears blue on a misty day". Why?
|
|
0
|
3057
|
October 19, 2016
|
|
"The British used cricket to carry out their racial policy in their colonies."
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1
|
2161
|
December 2, 2016
|
|
Why has rural banking not been able to give adequate credit to farmers?
|
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0
|
3056
|
August 5, 2016
|
|
What is the value of K for this aqueous reaction at 298 K? Delta G= 12.88 Kj/mol
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0
|
3055
|
March 24, 2018
|
|
Two objects of masses m1and m2 having the same size are dropped simultaneously from heights h1 and h2, respectively
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0
|
3055
|
March 21, 2018
|
|
Giving two reasons explain why there is more species biodiversity in tropical latitudes than in temperate ones
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0
|
3055
|
September 3, 2016
|
|
Does the number of moles of reaction products
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|
1
|
2160
|
December 20, 2016
|
|
You are given a circuit below. Write its truth table. Hence, identify the logic operation carried out by this circuit Draw the logic symbol of the gate, it corresponds to
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1
|
2160
|
September 9, 2016
|