Related Questions

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
Which of the following Media Query determines if output is grid, like a simple terminal or phone, or bitmap, like a standard monitor or printer?
A monochrome
B grid
C resolution
D device-height
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
Which word shall be best for filling in the gap of * gap of the following sentence? I am looking forward you.
A to see you
B to seeing you
C seeing you
D have seen you
Volume overload indirectly act as pressure controller by
A Increasing secretion of atrial natriuretic peptide
B Increasing glomerular filtration rate
C Inhibiting release of renin
D Increasing secretion of ADH
E Decreasing tubular reabsorption of glucose
In a control system the output of the controller is given to
A Amplifier
B Sensor
C Final control element
D Comparator

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