Related Questions

A powerful 7.5 magnitude earthquake hits in the South Asian region on 26 October 2015 which was centered in-
A Hindu Kush,Afghanistan
B Gujrat, India
C Sindh, Pakistan
D Birat, Nepal
In which instrument earthquake is recorded? ( কোন যন্ত্রে ভূমিকম্প রেকর্ড করা হয়?)
A Earthquake recorder
B Seismograph
C Richter Scale
D Radar
The instrument, used for recording earthquake waves is ________
A Barograph
B Hydrograph
C Pantograph
D Seismograph
To measure the earthquake is impossible-
A without Richter scale
B without Vernacular scale
C without Vector scale
D without Thermometer scale
Two forces of magnitude 3m and 2m respectively have a resultant R. if the first force is doubled, the magnitude of the resultant is doubled.Find the angle betuween forces?
A 90°
B 120°
C 135°
D 145°
q মানের পাঁচটি ধনাত্নক চার্জ r ব্যাসার্ধের একটি বৃত্তের পরিধি বরাবর প্রতিসমভাবে সাজানো হলো। বৃত্তের কেন্দ্রে বৈদ্যুতিক ক্ষেত্রের মান কত? (Five positive charges of magnitude q are arranged symmetrically along the circumference of a circle of radius r. What is the magnitude of the electric field at the center of the circle?)
A q44πε0r2
B q54πε0r2
C 5q4πε0r2
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by
A Its longer side
B Its shorter side
C The diagonal of the parallelogram which does not pass through the point of intersection of the forces
D The diagonal of the parallelogram which passes through the point of intersection of the forces
For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is
A $$\frac{{\text{m}}}{{\text{N}}}$$
B $$\frac{{\text{m}}}{{{\text{N}} + 1}}$$
C $$\frac{{{\text{N}} + 1}}{{\text{m}}}$$
D $$\frac{{\text{N}}}{{{\text{m}} + 1}}$$
If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be
A 2T
B $$\frac{1}{2}{\text{T}}$$
C $$\sqrt 2 {\text{ T}}$$
D 3T
The instrument to measure the area on maps is called
A Planimeter
B Ideograph
C Pantograph
D Opisometer

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