Related Questions

There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?
A 6/14
B 2/7
C 6/35
D 6/29
একটি ধাতব তলে λ তরঙ্গদৈর্ঘ্যের একবর্ণী আলোকরশ্মি আপতিত হলে ফটো-ইলেক্ট্রন নির্গত হয় এবং এক্ষেত্রে বিভবের মান 3Vo একই তলে যখন 2λতরঙ্গদৈর্ঘ্যের একবর্ণী আলো আপতিত হয়, তখন নিবৃত্তি বিভবের মান Vol ফটো-ইলেক্ট্রন নির্গত হওয়ার জন্য ঐ তলটির সূচন তরঙ্গদৈর্ঘ্যের মান নির্ণয় কর।(A monochromatic light of wavelength λ is incident on a metallic surface then ejects photo-electron and the value of stopping potential is 3Vo. When the same surface is illuminated by a light of wavelength 2λ., the stopping potential becomes Vo. Calculate the threshold wavelength for this surface to eject photo electrons.)
A 6λ
B 8λ
C 4λ3
D λ
E 4λ
Which of the following has the longest wavelength?
A Infrared radiation
B X-ray radiation
C Ultraviolet radiation
D Visible radiation
Which of the following Color Format is a CSS’s six-digit hexadecimal format is the same as color defined in (X)HTML?
A 6-Hex Color
B 3-Hex Color
C RGBS
D RGBa
Which of the following CSS property border-color property sets the color of an element’s four borders?
A border-background
B border-background-color
C border-color
D all of the mentioned
Which of the following is the Color Format that is a CSS’s six-digit hexadecimal format as color defined in (X)HTML?
A Specification defined named colors
B System Color Names
C 6-Hex Color
D 3-Hex Color
Which of the following options changes the fill color of an object back to the default color?
A Template
B Automatic
C Patterns
D Fill colors
An array contains the following letters. Color ={ E, L,E,C,T,I,O,N} The value of the variable, E =3 , color [E] points to which value?
A E
B C
C T
D L
Pixel of a color monitor consist of how many color dots ?
A 5
B 4
C 3
D 2
Pixel of a color monitor consists of 3 color dots. The colors are -
A red, green, blue
B cyan, magenta, black
C red, black, white
D black, white, green

Next steps