Timed Challenge - Answer & Submit | GK Mania

1 What is the motional EMF formula?

A) ε = Blv

B) ε = Bv/l

C) ε = BIl

D) ε = Bl/v

2 What is the van't Hoff factor for NaCl?

A) 4

B) ~2 (Na⁺ + Cl⁻)

C) 3

D) 1

3 What is the second derivative test for maxima?

A) f''(x) < 0

B) f''(x) > 0

C) f'(x) = 0 only

D) f''(x) = 0

4 What is the condition for the line y = mx + c to be tangent to the ellipse?

A) c² = a²m² + b²

B) c = am + b

C) c = a²m²

D) c² = a² + b²m²

5 What is the product of ozonolysis of benzene?

A) 3 molecules of glyoxal

B) 3 CO₂

C) 3 HCHO

D) 3 CH₃CHO

6 What element is used in balloons?

A) Hydrogen

B) Nitrogen

C) Helium

D) Oxygen

7 What is the sum of GP with first term a, ratio r, n terms?

A) a(rⁿ−1)/(r−1)

B) n(a+l)/2

C) a·rⁿ

D) na

8 What is the doppler shift for approaching objects?

A) Blue shift

B) No shift

C) Red shift

D) Green shift

9 What is a compound sentence?

A) A sentence with no verb

B) A sentence with one clause

C) sentence with two or more

D) A sentence ending in a question

10 What type of number is the square root of negative one?

A) Imaginary number

B) Natural number

C) Real number

D) Rational number

Quiz

1 What is the motional EMF formula?

2 What is the van't Hoff factor for NaCl?

3 What is the second derivative test for maxima?

4 What is the condition for the line y = mx + c to be tangent to the ellipse?

5 What is the product of ozonolysis of benzene?

6 What element is used in balloons?

7 What is the sum of GP with first term a, ratio r, n terms?

8 What is the doppler shift for approaching objects?

9 What is a compound sentence?

10 What type of number is the square root of negative one?

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Quiz

1 What is the motional EMF formula?

2 What is the van't Hoff factor for NaCl?

3 What is the second derivative test for maxima?

4 What is the condition for the line y = mx + c to be tangent to the ellipse?

5 What is the product of ozonolysis of benzene?

6 What element is used in balloons?

7 What is the sum of GP with first term a, ratio r, n terms?

8 What is the doppler shift for approaching objects?

9 What is a compound sentence?

10 What type of number is the square root of negative one?

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Quiz Results