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aiman
Questions (23)
why potassium permegnate is colourd
1 answer
380 views
why we add acid to the standardization of sodium thiosulphate solution?
1 answer
739 views
why we not use HNO3 and HCl in iodometry
0 answers
456 views
Outline the following synthesis:
a) 2 – methyl propene -> 2-methyl-2-propanol. b) 3 –ethylpentene -> carbon dioxide, water
0 answers
813 views
A 2cm high object is placed 3cm in front of a concave mirror. If the image is 5cm high and virtual, what is the focal length of
0 answers
745 views
Light of certain wavelength in a vacuum has wavelength of 438 nm if it propagates in water and 390 nm if it propagates in
0 answers
781 views
An insect of height 1.5 cm is 13cm from a converging lens of focal length 13.5 cm. Determine the position, height and properties
0 answers
400 views
The convex meniscus lens has a 15cm radius for the convex surface and 20cm for the concave surface. The lens is made of crown
1 answer
1,050 views
A convex meniscus lens is made of glass with refractive index, n= 1.5. The radius of curvature of the concave surface is 46.2 cm
2 answers
3,423 views
Two converging lenses, having focal length 5 cm and 10 cm respectively, are placed
25cm apart. An object is placed 10 cm in front
0 answers
704 views
A monochromatic light illuminates a double slits system with a slit separation, d =0.3 mm. The maximum of the first order occurs
0 answers
650 views
Light from sodium lighting passes through a single slit, then through double slit system and is projected on a screen. The
0 answers
703 views
A thin layer of liquid methylene iodide (n=1.756) is sandwiched between two flat parallel plates of glass (n=1.50). What must be
0 answers
919 views
A student investigates the interference of light in a Young’s double slit experiment.
i). Explain why there is no interference
0 answers
827 views
A small boy blows a big soap bullet at a birthday party where the room is illuminated with yellow light of wavelength 600 nm.
a)
0 answers
654 views
3-pentanol is heated with sulphuric acid (H2SO4) to become compound M. Compound M is reacted with Br2/ H2O to form Compound N.
Ou
1 answer
3,406 views
Log243-log64-log3 with the base 3,2,root3 give me a simplify of these
3 answers
2,976 views
What minimum amount will have to be deducted today to a fund earning 8.7% compounded quarterly, if the first quarterly payment
0 answers
405 views
calculate the amount that will be accumulated after 20 years if $1600 is invested at the beginning of every six months at 13.5%
0 answers
409 views
a 18 year loan requires month ends payments of $587.69 including interest at 18.4% compounded monthly. what wil be the balance
1 answer
475 views
A mass of 2000g is drop from a height of 10m.what is the work done by the mass
1 answer
454 views
how to solve the square root of 15.59
1 answer
679 views
Suppose you have to establish a new company. Suggest in which item or items company should deal. How much sale of the item is
3 answers
823 views
Answers (3)
123m 280m
sorry interest is 8.4%
do it by yourself :)
