The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

Options: 5x/36,    5x,    7.2 x,    x/6


More Chemistry Related questions:

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

.   PowerPoint 2000 has ……. Number of views
Options: a. 3 b. 4 c. 5 d. 6

Ans:2 – A ,2 – A

'Crime and Punishment' was written by
Options: Fyodor Dostoevsky,    Vladimir Nabakov,    Lewis Carrol,    Alexander Solzhenitsyn


. “Ctrl + Right Arrow” is used to
Options: Moves the cursor one word right B. Moves the cursor end of the line C. Moves the cursor end of the document D. Moves the cursor one Paragraph down

Ans:– A ,

raaja raamamohan raay
Options: NA

Ans: 850. shivaajee ke mantreemandal ka kya naam tha?, 850. shivaajee ke mantreemandal ka kya naam tha?

Large collection of files are called
Options: a . fields b . records c . database d . sectors


The benefit of using computers are that
Options: Computers are very fast and can store huge amounts of data,    Computers produce accurate output even when the input is incorrect,    Computers are designed to the inflexible,    All of the above

Ans:A ,A

When was the first elevator built?
Options: 1743,    1739,    1760,    1785


mithail aaisosaayanet
Options: NA

Ans: 829. svaraaj shabd ka sabase pahale prayog kisane kiya?, 829. svaraaj shabd ka sabase pahale prayog kisane kiya?

What happens when you insert an AutoShape by simply clicking in the document?
Options: it appears near the insertion point B. it is inserted in its default size C. is selected D. all of the above

Ans: – C ,

9.The operating system control tables maintains file table, because
Options: (A)These tables manage I/O devices and channels of the computer system. (B) These tables provide information about the existence of files, their location on secondary memory and their current status. (C) These tables provide information to manage process. (D) None of these. 1

Ans:9. (B),9. (B)

A transparent DBMS
Options: a. can not hide sensitive information from users b. keeps its logical structure hidden from users c. keeps its physical structure hidden from users d. both b and c 


. Comments put in cells are called …..
Options: a. Smart Tip b. Cell Tip c. Web Tip d. Soft Tip

Ans:– b,– b

Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?
Options: ip nat pool Todd net,    ip nat pool Todd net,    ip nat pool todd net,    ip nat pool Todd net

Ans:B ,B

0.In Access press …………………….to Paste the contents of the Clipboard in the upperleft corner of the selected section
Options: (A)CTRL+C (B) CTRL+X (C) CTRL+V (D) None of these 2

Ans:20. (),20. ()

. What is the shortcut key to start presentation from current slide?
Options: a. F5 b. Alt + F5 c. Ctrl + F5 d. Shift + F5

Ans:0 – D ,0 – D

gold kost
Options: NA

Ans: 757. ustaad jaakir husain ka sambandh kis vaadyayantr se hain?, 757. ustaad jaakir husain ka sambandh kis vaadyayantr se hain?

. Which of the following is not a third generation computer?
Options: A) IBM 360 B) IBM 1401 C) PDP-8 D) HP2115


In magnetic disks, data is organized on the platter in a concentric sets of rings called
Options: sector,    track,    head,    block

Ans:B ,B

Any device that performs signal conversion is
Options: Modulator,    Modem,    Keyboard,    Plotter


  To edit an already inserted embedded organization chart object by A.  Double Click on the organization chart object B.  CTRL + Click on the organization chart object C.  SHIFT + Click on the organization chart object D.  None of the above

Ans:– A ,

Conversion of binary number 11000112 to hexadecimal is
Options: 6316,    5716,    4616,    4016

Ans:A ,A

. What is the function of folder?
Options: a. Save files b. Delete files c. Move files d. All of the above

Ans:1 – d ,1 – d

The brain of any computer system is
Options: ALU,    Memory,    CPU,    Control unit


In Microsoft PowerPoint the entry effect as one slide replaces another in a show is called a (an)
Options: a. animation b. slide transition c. custom animation d. preset animation

Ans: – B , – B

Operator interaction directly with the CRT is accomplished via:
Options: a digitizing tablet,    vector scanning,    a stylus,    a touch terminal

Ans:D ,D

Options: NA

Ans: 412. prakaash bikharane ka rang sabase adhik hai?, 412. prakaash bikharane ka rang sabase adhik hai?

Which of the following is associated with networks?
Options: Download, node,    Star topology,    Point-to-Point,    Both (a) and (b)

Ans:D ,D

With a dot matrix printer, light then dark print is most commonly caused by:
Options: Erratic paper advancement,    Erratic ribbon advancement,    Misalligned print head,    Overheating print head

Ans:B ,B

The Cedar, BBN Butterfly, Cosmic Cube and Hypercube machine can be characterized as
Options: SISD,    MIMD,    SIMD,    MISD

Ans:B ,B

What will be the output of the program in TurboC? #include<stdio.h> int fun(int **ptr); int main() { int i=10, j=20; const int *ptr = &i; printf(" i = %5X", ptr); printf(" ptr = %d", *ptr); ptr = &j; printf(" j = %5X", ptr); printf(" ptr = %d", *ptr); return 0; }
Options: i= FFE2 ptr=12 j=FFE4 ptr=24,    i= FFE4 ptr=10 j=FFE2 ptr=20,    i= FFE0 ptr=20 j=FFE1 ptr=30,    Garbage value

Ans:B ,B

Hitler party which came into power in 1933 is known as
Options: Labour Party,    Nazi Party,    Ku-Klux-Klan,    Democratic Party


The number of bits that are typically stored on each track of a magnetic disk is usually
Options: the same,    different,    depend on the program to be stored,    All of the above

Ans:A ,A

270. laal rakt kanika (rbch) ka jeevanakaal kitana hota hai?
Options: NA

Ans: 120 din, 120 din

0.Text Editor that is the part of Windows operating system
Options: (A)Wordpad (B) Notepad (C) Adobe Photoshop (D) Jasc Paint Shop 1

Ans:10. (B),10. (B)

2.Memo field in database file is used to
Options: (A)Store lengthy number (B) Store images (C) Store audio files (D) Store long textual information 8

Ans:82. (D),82. (D)

Which command is used to display the device name of the terminal you are using?
Options: who,    ls,    tty,    stty

Ans:C ,C

. To record a sequence of keystrokes and mouse actions to play back later we use:
Options: a. Media player b. Sound Recorder c. Calculator d. Macro Recorder

Ans:– d,– d

The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
Options: External memory,    I/O memory,    ROM,    Buffer memory

Ans:D ,D

4.EDP is referred to
Options: (A)Electronic Data Processing (B) Data processing through equipment that is predominantly electronic such as digital computer (C) Both A & B (D) None of these 3

Ans:34. (C),34. (C)

. Who invented the microprocessor?
Options: A) Marcian E Huff B) Herman H Goldstein C) Joseph Jacquard D) All of above


Which command is used to list all the files with extension .lst?
Options: ls -l *.lst,    ls lst*,    ls *.*,    ls *[lst]

Ans:A ,A

In digital data transmission
Options: Baud rate in equal to bit rate,    Baud rate is always smaller than the bit rate,    Baud rate is always higher than the bit rate,    None of the above

Ans:D,None of the above

The ODBC Level 1 API contains which of the following functions?
Options: Browse possible connections and data sources only,    Connect to data sources with driver-specific information only,    Process a scrollable cursor only,    Both 1 and 3 above are in the OBDC Level 1 API.

Ans:B ,B

What is a MAC?
Options: A Computer made by Apple,    Memory Address Corruption,    Mediocre Apple Computer,    Media Access Control


Computers normally solve problem by breaking them down into a series of yes-or-no decisions represented by 1s and 0s. What is the name of the logic that allows computers to assign numerical values that fail somewhere between 0 and 1?
Options: Human logic,    Fuzzy logic,    Boolean logic,    Operational logic

Ans:B ,B

Voltage is
Options: The flow of charged particles through a material,    The smallest electrically charged particle,    Trie force that causes electrons to flow,    The number of free electrons in an atom

Ans:C ,C

115. hindee bhaasha ka pahala samaachaarapatr kaunasa tha ?
Options: NA

Ans: udant maartand, udant maartand

The primary memory of a personal computer consists of:
Options: ROM only,    RAM only,    Both ROM and RAM,    Memory module

Ans:C ,C

. The handout master contains placeholders for all of the following except
Options: a. Slide number b. Title c. Footer d. Header

Ans:9 – B ,9 – B