Related Questions

পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
চাঁদের অভিকর্ষজ ত্বরণ পৃথিবীর অভিকর্ষজ ত্বরণের ছয় ভাগের এক ভাগ। চাঁদের ব্যাসার্ধ পৃথিবীর ব্যাসার্ধের এক- চতুর্থাংশ। পৃথিবীর ভর M-এর তুলনায় চাঁদের ভর কত? (The acceleration due to gravity on the Moon is one-sixth of that on the Earth. The radius of the Moon is one-fourth that of the Earth. What is the mass of the Moon compared to that of the Earth, M?)
A M/6
B M/16
C M/24
D M/96
A body has a weight W on the surface of Earth. What is its weight on a planet whose mass is 15 times that of Earth and a radius that is 4 times that of the earth?
A 15\/4 W
B 16\/9 W
C 16\/7 W
D 16\/15 W
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called
A granite
B basalt
C igneous rocks
D sedimentary rocks
Which of the following electrodes is used in strongly alkaline solution?
A Mercury - mercuric oxide electrode
B Mercury - mercurous sulphate electrode
C Mercury - mercurous chloride electrode
D Silver - silver chloride electrode
কোন যৌগের ক্ষারীয় দ্রবণকে নেসলার দ্রবণ বলা হয়? (Which alkaline solution of the compound is called Nessler's solution?)
A K2Hg2l
B K2Hg2l3
C NaHgl3
D K2/Hgl4]
Alkaline phosphatase is raised in
A Osteomalacia
B Paget’s disease
C Osteoporosis
D Haemolytic anaemia
E Post menopausal syndrome
Alkaline phosphatase is increased in
A Biliary obstruction
B Primary biliary cirrhosis
C Rickets
D Acrodermatitis enteropathica
E Hypophosphatasia
The another name of acid or alkaline soil is
A Regur
B Bangar
C Kallar
D Khadar
In alkaline cell the electrolyte is
A dilute sulphuric acid
B concentrated sulphuric acid
C NaOH
D kOH

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