aiman

Most popular questions and responses by aiman
1. 11th maths

Log243-log64-log3 with the base 3,2,root3 give me a simplify of these

2. chemistry

3-pentanol is heated with sulphuric acid (H2SO4) to become compound M. Compound M is reacted with Br2/ H2O to form Compound N. Outline the reaction step and name the compound M and N

3. physics

A student investigates the interference of light in a Young’s double slit experiment. i). Explain why there is no interference pattern if the two slits are 5.0 cm apart. ii). Explain why it is better for the student to observe the interference patterns

4. physics

The convex meniscus lens has a 15cm radius for the convex surface and 20cm for the concave surface. The lens is made of crown glass with refractive index, n=1.52 and is surrounded by air. What is the focal length of the lens.

5. physics

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 and the radius of curvature of the convex surface is 22.4 cm. a)Calculate the focal length of the lens. b)Determine the

6. physics

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 the thickness of the liquid layer if normally incident light with in air is to be strongly reflected?((2m+1),85.4nm)

7. chemistry

Outline the following synthesis: a) 2 – methyl propene -> 2-methyl-2-propanol. b) 3 –ethylpentene -> carbon dioxide, water and 2-ethylbutanoic acid. c) 2 methyl-2-pentene -> 2-chloro-2-methylpetane and 3-chloro-2-methylpentane d) 1-ethylcyclohexene ->

8. physics

Two converging lenses, having focal length 5 cm and 10 cm respectively, are placed 25cm apart. An object is placed 10 cm in front of the lens of focal length 5cm. Determine the position and magnification of the final image formed.

9. physics

Light from sodium lighting passes through a single slit, then through double slit system and is projected on a screen. The separation distance between the slits of the double slits is 1.00mm. The screen is placed at 1.0m from the double slits system and

10. maths

how to solve the square root of 15.59

11. physics

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 the mirror?

12. physics

A monochromatic light illuminates a double slits system with a slit separation, d =0.3 mm. The maximum of the first order occurs at y = 4.0 mm on a screen placed at 1.0 m from the slits. Find the: a)Wavelength b)Distance between the central maximum and the

a 18 year loan requires month ends payments of \$587.69 including interest at 18.4% compounded monthly. what wil be the balance on the loan after half of the payments have been made. (do not round intermediate calculations, just round final answer to two

14. Physics

An iron piece of mass 360g and a density of 6g/cm if suspended by a rope so that is partially submerged in oil of density 0.9g/cm find the tension (force) in the string

15. Maths

Study the ways of risings loan to buy a car or house

16. Physics

An iron piece of mass 360g and a density of 6g/cm if suspended by a rope so that is partially submerged in oil of density 0.9g/cm find the tension (force) in the string

17. Social Studies

How did the Inuit cope with the harshness of their environment to exist successfully in the Arctic?

18. physics

Light of certain wavelength in a vacuum has wavelength of 438 nm if it propagates in water and 390 nm if it propagates in benzene. Calculate the ratio of refractive index of water to the refractive index of benzene.

19. Socials

in what ways were chiefs important to the welfare of the group they led

20. chemistry

why we add acid to the standardization of sodium thiosulphate solution?

21. chemistry

why we not use HNO3 and HCl in iodometry

What minimum amount will have to be deducted today to a fund earning 8.7% compounded quarterly, if the first quarterly payment of \$6000 in perpetuity is to occur three months from now. Do not round intermediate calculations, just round the final answer to

23. accounting

Paul incorporated Antler Paul contributes \$1,000,000 cash in exchange for 100,000 common shares in Antler

24. Physics

A body starts from rest and traveling with a uniform acceleration with a velocity of 40 m /sec after 10 sec at A Velocity of the body 4 sec before it crosses the point A

25. Math

Sammy has \$15 more than Billy .mary has twice as much as Sammy. James h!@#\$%^&5 less than Mary. Together they have \$130.how much does each person have?

26. chemistry

why potassium permegnate is colourd

27. physics

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 of the image formed.

28. physics

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) What is the colour of the soap bubble? Give reasons for your answer. b) Estimate the thickness of the soap bubble. [Refractive

calculate the amount that will be accumulated after 20 years if \$1600 is invested at the beginning of every six months at 13.5% compounded semi annually. Do not round intermediate calculations, just round the final answer to 2 decimal places

30. physics

A mass of 2000g is drop from a height of 10m.what is the work done by the mass

31. math

Suppose you have to establish a new company. Suggest in which item or items company should deal. How much sale of the item is required in order to reach at break even point depending on the suggested price of item, production capacity, fixed and variable

1. physics

123m 280m

posted on October 9, 2017

sorry interest is 8.4%

posted on November 3, 2014
3. programming

do it by yourself :)

posted on May 7, 2014
4. accounting

need a journal entry

posted on February 24, 2008