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Science Q&A:
The colour white reflects light
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✅Name the component used to regulate current without changing the voltage source
A. Rheostat
B. Battery
C. Voltmeter
D. Both (A) and (B)
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✅ Who is the first Vice President of India?
a) Jawaharlal Lal Nehru
b) Dr. Rajendra Prasad
c) S. Radhakrishnan
d) Zakir Hussain
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✅The electric potential on the axis of an electric dipole at a distance 'r' from its centre is V. Then the potential at a point at the same distance on its equatorial line will be
(i) 2V
(ii) -V
(iii) V/2
(iv) Zero
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Special Thanks to @letxyedu
✅The distance of the point P(-6,8) from the origin is
a) 8
b) 2√7
c) 10
d) 6
#CBSEMCQ #CBSEQuestions #CBSEClass10 Special Thanks to @MathsTeacherIN
✅ If the vertices of a parallelogram PQRS taken in order are P(3,4), Q(-2,3) and R(-3,-2), then the coordinates of its fourth vertex S are
(a) (-2,-1)
(b) (-2,-3)
(c) (2,-1)
(d) (1,2)
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Special Thanks to @MathsTeacherIN
✅Let a and b be two positive integers such that a=p³q⁴ and b=p²q³, where p and q are prime numbers. If HCF(a,b) = p^m.q^n and LCM(a,b)=p^r.q^s, then (m+n.(r+s)=
(a) 15
(b) 30
(c) 35
(d) 72
Special Thanks to @MathsTeacherIN
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If x tan 60° cos 60° = sin60° cot 60, then x =
(a) cos30°
(b) tan30°
(c) sin30°
(d) cot30°
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✅ Which of the following is NOT an example of Intellectual Property rights?
a) Patent
b) Trademark
c) Password
d) Industrial Design
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The exponent of 2 in prime factorisation of 144 is
a) 2
b) 4
c) 1
d) 6
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An object of weight 50 N is dropped from height of 50 cm. The kinetic energy when it hits the ground will be equals to
a) 25 J
b) 250 J
c) 2500 J
d) 25000 J
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✅ Which of the following tests/ reactions is given by aldehydes as well as ketones?
(a.) Fehling’s test
(b.) Tollen’s test
(c.) 2,4 DNP test
(d.) Cannizzaro reaction
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✅ The first term of the AP is p and the common difference is q, then its 10th term is
a) q+9p
b) p-9q
c) p+9q
d) 2p+9q
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✅ What was the strangest thing at The Third Level?
(a) Beards
(b) Moustaches
(c) dresses
(d) The corridor that led him into the past.
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✅ A card is selected at random from a well-shuffled deck of 52 cards. The probability of its being a red face card is | #CBSEMCQ #CBSEClass10 #CBSE #CBSEQuestions
✅ A card is selected at random from a well shuffled deck of 52 cards. The probability of its being a red face card is | #CBSEMCQ #CBSE
(a) 3/26
(b) 3/13
(c) 2/13
(d) 1/2
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✅Which one of the following subjects comes under the legislation of the "Centre" and "State" in India?
A. Education
B. Forests
C. Banking
D. Trade
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✅ √3cos²A+√3sin²A is equal to | #CBSEMCQ
(a) 1
(b) 1/√3
(c) √3
(d) 0
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