Doubtly
@Doubtly · Joined Feb 2021
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- [Science 1]SSC Science Question Paper 2020 - Part 1 - March - English Medium - Std 10th Maharashtra Board [Science 1]SSC Science Question Paper 2020 - Part 1 - March - English Medium - Std 10th Maharashtra Board To view online View To download fo... 1
- [geometry]SSC Maths Question Paper 2020 - Part 2 - March - English Medium - Std 10th Maharashtra Board. [geometry] SSC Maths Question Paper 2020 - Part 2 - March - English Medium - Std 10th Maharashtra Board. To view online View To download for... 1
- The length of sides of a cuboid are a, 2a and 3a . if the relative percentage error in the measurement of a 1% , then what is the relative percentage error Correct answer is 3 1
- Dimensional analysis of the equation correct answer is 3 1
- The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate . If the maximum errors in the Correct option is d) 8% 1
- The length and breadth of a metal sheet are 3.124m and 3.002 m respectively. the area of this sheet up to the correct number of significant Correct option is A) 9.378 m² result must have significant figures equal to least figures being multiplid do area of metal sheet 9.378 m² (f... 1
- In the formula , a=3bc2 , a and c have dimensions of electric capicitance and magnetic field intensity respectively . Correct option is A) A) [M⁻³L⁻²T⁴Q⁴] 1
- In a CGS system of units , the density of a material is 4 g cm^-3 . what will be the value of the density of the material Correct option is C) 40 1
- in a new system of units , the unit of force is 100 N , unit of length is 10 m and unit of time is 100s , unit of mass in this system can be expressed as Correct option is A) 10⁵kg Substituting value of L and T from equation 2 and 3 in eq 1 we get 1
- The accuracy in the measurement of time for 20 oscillations of a pendulum for the following measurement correct option is A)±0.2s 1
- The potential difference across a resistor is measured to be V=(8±0.5) V and current Correct option is A) 4±16.25% 1
- If The Unit Of Mass, Length And Time Are Doubled,unit Of Angular Momentum Will Be Correct answer is option C) Quadrupled hence , unit of angular momentumn is quadrupled 1
- Maharashtra SSC Model Question Paper 2021 PDF Links Maharashtra SSC Model Question Paper 2021 PDF Links Maharashtra Board Class 10 all subjects sample paper is a fruitful resource, which invol... 1
- [Algebra] Maharashtra Board Maths part 1 previous year paper march 2020 Maharashtra Board Maths previous year paper march 2020 To view online View To download for offline study download link For study now 1
- If α, β and γ are three consecutive terms of a non-constant G.P. such that the equations Correct option is 4) βγ α x² + 2β x + γ = 0 Let β = α t, γ = α t² therefore α x² + 2α tx + α t² = 0 ⇒ x² + 2tx + t² = 0 ⇒ (x + t)² = 0 ⇒ x =... 1
- The Boolean expression ∼(p⇒(∼q)) is equivalent to : Correct option is A) p^q Explaination:: ∼(p⇒(∼q)) as p⇒q \ is \ same \ as \ ∼p v q we get ∼((∼p) v(∼q)) = p^q 1
- A plane which bisects the angle between the two given planes 2x – y + 2z – 4 = 0 and x + 2y + 2z – 2 = 0, passes through the point :0 Correct option is (4) (2, –4, 1) Explaination:: From question, the equations of planes given are: 2x – y + 2z – 4 = 0 X + 2y + 2z – 2 = 0 Th... 1
- The equation of the common tangent to the curves y^2 = 8x and xy = - 1 is Correct option is (d) y=x+2 Explaination:: tangents to the curve y²=8x is y=mx+2/m , so it must satisfy xy=-1 x(mx+2/m)=-1 mx²+2/mx+1=0 , si... 1