Rainbow is due to

Options: absorption of sunlight in minute water droplets,    diffusion of sunlight through water droplets,    ionisation of water deposits,    refraction and reflection of sunlight by water droplets


More physics Related questions:

Point out the correct statement which correctly allocates memory dynamically for 2D array following program? #include<stdio.h> #include<stdlib.h> int main() { int *p, i, j; /* Add statement here */ for(i=0; i<3; i++) { for(j=0; j<4; j++) { p[i*4+j] = i; printf("%d", p[i*4+j]); } } return 0; }
Options: p = (int*) malloc(3, 4);,    p = (int*) malloc(3*sizeof(int));,    p = malloc(3*4*sizeof(int));,    p = (int*) malloc(3*4*sizeof(int));

Ans:D ,D

5.A flat, circular plate coated with a magnetic material on which data can be stored by magnetization of portions of the flat surface is
Options: (A)Disk (B) Tape (C) Pen drive (D) None of these 2

Ans:25. (A),25. (A)

. Which command allows you to show the contents of disk widely in screen?
Options: a. Dir/p b. Dir/b c. Dir/w d. Dir/o:w

Ans:7 – c ,7 – c

. The ...operating system was initially created in the early 1970s at AT and T"s Bell Labs
Options: a. Linux b. DOS c. Unix d. GNU

Ans: c, c

Coral reefs in India can be found in
Options: the coast of Orissa,    Waltair,    Rameshwaram,    Trivandrum


What is the output of the program #include<stdio.h> int main() { int a[5] = {2, 3}; printf("%d, %d, %d\n", a[2], a[3], a[4]); return 0; }
Options: Garbage Values,    2, 3, 3,    3, 2, 2,    0, 0, 0

Ans:D ,D

Sultanpur National Park
Options: Karnataka,Haryana,Tripura,MadhyaPradesh


The first microprocessor built by the Intel Corpn. was called
Options: 8008,    8080,    4004,    8800

Ans:C ,C

A loadstone is:
Options: a natural magnet,    a temporary magnet,    an artificial magnet,    a paramagnetic alloy

Ans:A ,A

68. kaarban ka sarvaadhik shuddh roop kaunasa hai?
Options: NA

Ans: heera, heera

The term 'Butterfly Stroke' is associated with
Options: Wrestling,    Boxing,    Kabaddi,    Swimming


What does literal means in C Programming Language?
Options: NA

Ans:A String Constant ,A String Constant

The Vedic deity Indra was the Goddess of
Options: wind,    eternity,    rain and thunder,    fire


Is the following statement a declaration or definition? extern int i;
Options: Declaration,    Definition,    Function,    Error

Ans:A ,A

Thomas Cup is associated with
Options: badminton,    billiards,    lawn tennis,    table tennis


Data can be arranged in a worksheet in a easy to understand manner using
Options: a. auto formatting b. applying styles c. changing fonts d. all of above

Ans:#8211; d,#8211; d

The operating system keeps the information of files in a table called
Options: File Folder Table (FFT) B. File Index Table (FIT) C. File Allocation Table (FAT) D. Directory Index Table (DIT)

Ans: – C ,

The ancient Olympics Games came to a sudden end when the Roman Emperor Theodosius banned them as paper manifestations. The modern Olympic Games were received after a lapse of nearly
Options: ten centuries,    twelve centuries,    fifteen centuries,    eighteen centuries


What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?
Options: Partitioning,    Multitasking,    Windowing,    Paging

Ans:B ,B

Thevenin theorem replaces a complicated circuit facing a load by an
Options: Ideal voltage source and parallel resistor,    Ideal current source and parallel resistor,    Ideal voltage source and series resistor,    Ideal current source and series resistor

Ans:C ,C

.   Which of the following should be used with the mouse when you want to draw a perfect shape?
Options: a. The spacebar b. The alt key c. The ctrl key d. The shift key

Ans:6 – D ,6 – D

. What does DMA stand for?
Options: A) Distinct Memory Access B) Direct Memory Access C) Direct Module Access D) Direct Memory Allocation


What is the 1's complement of 0000 1111 0010 1101 number?
Options: 1111 0000 0010 1101,    1111 0000 1101 0010,    1111 1100 1010 1100,    1001 0010 1010 1100

Ans:B ,B

. Which of the following is machine independence program?
Options: A) High level language B) Low level language C) Assembly language D) Machine language


Paleontology is a branch of science that deals with the
Options: behavior of animals,    origin and growth of plants,    the forms of life as revealed by fossils of animals or plants,    formation of new stars


Which of the following statement is true?
Options: a. Foreign key fields don't allow duplicate values b. In primary key field you can enter duplicate value c. In an indexed field you may or may not enter duplicate value depending upon setting d. All statements are true

Ans:c, c

. The command used to display all files (.exe) from the system
Options: a. Dir *.exe b. Dir *.exe/s c. Dir *.exe/all d. None of above

Ans:2 – b ,2 – b

. You can open the scenario Manager dialog box by choosing scenarios from the ….. menu.
Options: a. View b. Insert c. Format d. Tools

Ans:– d,– d

What will be the output of the program? #include<stdio.h> int get(); int main() { const int x = get(); printf("%d", x); return 0; } int get() { return 20; }
Options: Garbage value,    Error,    20,    0

Ans:C ,C

. For which of the following computers can’t be used?

Options: A) gathering data B) calculating data C) comparing data D) Arranging data


Knot is a unit of speed of which of the following?
Options: Aeroplane,    Light waves,    Ship,    Sound waves


. The operating system allows the user to organize the computer’s contents in a hierarchical structure of directories that include all of the following except:
Options: a. Files b. Folders c. Drives d. System

Ans:0 – d ,0 – d

Which option is not available in Insert Table Autofit behavior?
Options:  A) Fixed Column Width, B) AutoFit to Contents, C) Autofit to Window, D) Autofit to Column,


1024 bytes represent a
Options: Megabyte,    Gigabyte,    Kilobyte,    None of the above

Ans:C ,C

Which can be used for quick access to commonly used commands and tools?
Options: Status bar B. Tool bar C. Menu bar D. Title bar

Ans:– B ,

Cpt. Saurabh Kalia


671. mahaan chikitsak charak kisake darabaar mein the?
Options: NA

Ans: kanishk, kanishk

Who made Dibri Kothi where is it
Options: Ashok,Kalyan Chand,Lalit Verman, vijay chand

Ans:C,Lalit Verman

Ajanta-Ellora caves are situated near
Options: Ajmer,    Jaipur,    Patna,    Aurangabad


'Nature never did betray the heart that loved her' is a quotation from
Options: W.Wordsworth,    J.Brayon,    P.B.Shelly,    J.Keats


3.In Microsoft PowerPoint the following displays when an image is selected
Options: (A)Add clip art only if it relates to your topic (B) Be sure to place at least one clipart image per slide (C) Resize the image so it takes up as much space as your text (D) Both (A)and (B) 1

Ans:13. (D),13. (D)

‘INS Tarmugli’ is the first
Options: NA

Ans:Follow-on Water Jet Fast Attack Craft,Follow-on Water Jet Fast Attack Craft

9.The type of query extract the data and put them into separate table
Options: (A)A parameter query (B) A make-table query (C) An update query (D) A crosstab query 9

Ans:89. (B),89. (B)

Which command displays the configuration register setting?
Options: show ip route,    show boot version,    show version,    show flash

Ans:C ,C

During system study, data can be collected through
Options: questionnaires,    interviews,    on-site observations,    All of the above

Ans:D ,D

. What happens when you press Ctrl + X after selecting some cells in Excel?
Options: a.  The cell content of selected cells disappear from cell and stored in clipboard b.  The cells selected are marked for cutting c.  The selected cells are deleted and the cells are shifted left d.  The selected cells are deleted and cells are shifted up

Ans:– b,– b

Each model of a computer has a unique
Options: Assembly language,    Machine language,    High level language,    All of the above


The memory sizes in mainframe computers and advanced technology micro computers are expressed as
Options: Bytes,    Kilo-bytes,    Bits,    Megabytes

Ans:D ,D

To conserve battery power on your laptop computer. What DOS v6.x command should you use?
Options: Powermon.exe,    Power.exe,    Idel.com,    Pw.sys

Ans:B ,B

The geostationary satellite used for communication systems
Options: rotates with the earth,    remains stationary relative to the earth,    is positioned over equator,    All of the above

Ans:D ,D