What is the wavelength of visible spectrum?

Options: 8500 - 9800 angstrom,    7800 - 8000 angstrom,    3900 - 7600 angstrom,    1300 - 3000 angstrom


More General Science Related questions:

The net charge of a neutral copper atom is
Options: 0,    +1,    -1,    +4

Ans:B ,B

From which menu you can access Picture, Test Box, Chart etc?
Options: a. File b. Edit c. Insert d. View

Ans: – C , – C

The members of Parliament can express themselves in the House in
Options: English only,    Hindi only,    English or Hindi,    English, Hindi or mother tongue


List Box and Text box
Options: a. are some other than that in a list box the bullets are enabled b. are different. List boxes are used to present lists and can’t be created with text boxes. c. Both of above d. None of above

Ans: – A , – A

Point out the error in the program in 16-bit platform? #include<stdio.h> int main() { struct bits { int i:40; }bit; printf("%d\n", sizeof(bit)); return 0; }
Options: 4,    2,    Error: Bit field too large,    Error: Invalid member access in structure

Ans:C ,C

To preview a motion path effect using the custom animation task pane, you should
Options: a. click the play button b. click the show effect button c. double click the motion path d. all of above

Ans: – A , – A

    While working with Ms-Dos which command transfers a specific file from one disk to another?
Options: a.    Copy b.    Diskcopy c.    Time d.    Rename

Ans:.c,Correct Answer: a. Copy

This key uniquely identifies each record
Options: a. primary key b. key record c. unique key d. field name

Ans:ndash; a,ndash; a

Which gates is known as universal gate?
Options: NOT gate,    AND gate,    NAND gate,    XOR gate

Ans:C ,C

Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart?
Options: S = B - C,    IS A<10,    PRINT A,    DATA X,4Z

Ans:B ,B

. What is the second generation computers made?
Options: Resistors B. Transistors C. Vacuum tubes D. Integrated Circuits

Ans:– B ,

3.Instead of buying new computer, productivity of old one can be economically enhanced with the help of?
Options: (A)Motherboard (B) Breadboard (C) Daughter board (D) Grandmother board. | 13 17

Ans:173. (C),173. (C)

Intensity of sound has
Options: an object existence,    a subject existence,    no existence,    both subjective and objective existence


. When entering field name, how many characters you can type in maximum?
Options: a. 60 b. 64 c. 68 d. Any number of character

Ans:2 – b ,2 – b

A dialog box with a bomb appears on a Macintosh screen. What type of problem has occurred?
Options: A RAM problem,    A software problem,    A ROM problem,    An ADB problem

Ans:B ,B

. SQL stands for __________.
Options: a. Standard Query Language b. Structured Query Language c. Simplified Query Language d. Static Query Language

Ans:5 – b ,5 – b

In Microsoft Word shortcut key CTRL+L is used for
Options: (A) Open the Favorites bar (B) Open the Open dialog box (C) Start another instance of the browser with the same Web address (D) Open the Open dialog box, the same as CTRL+L 38.

Ans:37. (B),37. (B)

Penicillin was invented by
Options: Dr Jonas E. Salk,    Gregory Mendal,    Paul Ehrlich,    A. Fleming


The function(s) of the Syntax phase is/ are:
Options: to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs,    to build a literal table and an identifier table,    to build a uniform symbol table,    to parse the source program into the basic elements or tokens of the language

Ans:A ,A

Cpt. Saurabh Kalia


. Which of the following properties identifies the type of information stored in a field?
Options: a. Data type b. Field description c. Field name d. Field properties

Ans:5 – a ,5 – a

. To insert a drop cap in one of the paragraph you should access
Options: a. Insert Menu b. Format c. Tools d. None of above

Ans: – B , – B

3.In Windows operating system shortcut CTRL+C is used for
Options: (A)Cut (B) Paste (C) Copy (D) None of these 4

Ans:43. (A),43. (A)

chontda valley in which district
Options: kinnaur , lahul, kullu, mandi


The great scholar, Banabhatta, lived during the reign of
Options: NA


where is lakshmi narayan mandir in HP
Options: kinnaur , lahul, kullu, chamba


The three different types of pen plotter technology are flatbed, drum, and:
Options: electrostatic,    thermal,    pinch roller,    impact

Ans:C ,C

Piece of code that only one thread can execute at a time is called
Options: Mutual Exclusion B. Critical Section C. Synchronization D. All of them

Ans:– B ,

The president can assign any of the functions of the union government to the state government
Options: in consultation with the chief justice of India,    in consultation with the state governor,    in his discretion,    in consultation with the government of the state


59. Which of the following enables you to paste data multiple times?
Options: a. Windows Clipboard b. Office Clipboard c. Both Windows & Office Clipboard d. None of the all

Ans:–  C ,–  C

A _____ is software that is designed for drawing diagrams of information systems, writing process specifications, and maintaining data dictionaries.
Options: System Development Life Cycle,    CASE tool,    Phased Conversion,    Success factors

Ans:B ,B

Innocent III, who became pope in 1198 led
Options: the first crusade,    the second crusade,    the third crusade,    the fourth crusade


The network layer, in reference to the OSI model, provide
Options: data link procedures that provide for the exchange of data via frames that can be sent and received,    the interface between the X.25 network and packet mode device,    the virtual circuit interface to packet-switched service,    All of the above

Ans:C ,C

Purag mela belongs to which district
Options: kangra, shimla, solan, sirmour


. ... is the program run on a computer when the computer boots up
Options: a. System software b. Operating system c. System operations d. None

Ans: b, b

The molecules of which gas have highest speed?
Options: H2 at -73oC,    CH4 at 300 K,    N2 at 1,027oC,    O2 at 0oC


Typewriter terminals can print computer-generated data at a rate of
Options: 10 characters per second,    120 characters per second,    120 characters per minute,    1200 characters per minute

Ans:B ,B

. A ____ is a major database object used to display information in an attractive, easy-to-read screen format.
Options: a. form b. query c. report d. table

Ans:1 – a ,1 – a

The working principles of today's computers were provided by an English mathematician
Options: Charles Babbage,    Dr. Hollerith,    Donald Reach,    Ken Reider

Ans:A ,A

Robots can increase productivity because:
Options: they do not take a vacation,    they do not get tired,    production quality is uniform,    All of the above

Ans:D ,D

2. Hacktivism is
Options: (A)someone who subverts computer security without authorization or who uses technology (usually a computer or the Internet) for terrorism, vandalism (malicious destruction), credit card fraud, identity theft, intellectual property theft, or many other types of crime. (B) a person, usually not an expert in computer security, who breaks into computer systems by using prepackaged automated tools written by others. (C) hacker who utilizes technology to announce a political message. (D) None of these 2

Ans:22. (C),22. (C)

What device for new parents did Ann Moore invent in 1969?
Options: Bottle warmer,    Baby monitor,    Disposable diaper,    Infant carrier


Radical vascular bundles are those in which
Options: xylem is surrounded by phloem,    phloem is surrounded by xylem,    xylem and phloem occur on the same radius,    xylem and phloem occur on the different radii


A person who has the responsibility for development of a new product (such a instant coffee) in a firm is called a
Options: brand manager,    project manager,    development manager,    market manager

Ans:B ,B

When is the risk for electrostatic discharge the greatest?
Options: Day time,    High humidity,    Low humidity,    Night time

Ans:C ,C

Which of the following areas or regions is most prone to earthquakes?
Options: Ganga-Brahmaputra valley,    Deccan plateau,    Plains of northern India,    Western ghats


Options: NA

Ans: 808. asam ka puraana naam kya hai?, 808. asam ka puraana naam kya hai?

Which one of the following statements best describes magnetic hysteresis?
Options: Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet,    Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet,    Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently,    Hysteresis is most apparent when the core material is saturated

Ans:C ,C

The time for which a piece of equipment operates is called
Options: Seek time,    Effective time,    Access time,    Real time


. A real time operating system is most likely to be used for which of the following task?
Options: a. Controlling access to a shared printer in a network b. Ensuring that system clock works correctly on server c. Managing the access to system files in a laptop computers d. Controlling the fuel injection system of an automobile engines

Ans:1 – d ,1 – d