NEXT TOPPER INSTITUTE FOR JEE ,NEET, CBSE

NEXT TOPPER INSTITUTE  FOR YOU  1.     In an experiment the percentage of error occurred in the measurement of physical quantities A,B,C and D   are 1% ,2%, 3% and 4% respectively . then the maximum percentage of error in the measurement x where x =A 2 B 1/2 /c 1/3 D 3 will be                                             NEET 2019 a.      10%                b. 3/13%                c.   -10%                                d. 16% 2.   ...

please comments your answer for matching    NEXT TOPPER INSTITUTE  हम आपके सपनो को साकार  करेंगे 1.     A wire of length 6 m and area of cross section 1 m m  2 carries a current of 2 A. if unit cubic meter of the material of a wire contains 10 29        free electrons ,find the average time taken by an electron to cross the length of wire . 16 hr            b. 13.33 hr           c. 14.44 hr                      d. 17 hr 2.     The number of density of electrons in coppers is 8.5 x 10  28  m -3 . What is the time taken by an electron to drift from one end of the wire 2.2 m long to its other end if area of cross section of the wire is 2.0 x 10 -6  m  2 and it is carryin...

1.       WHAT IS THE UNIT OF LENS POWER A.      METER                      B. DIPTEROUS                    C. CM                      D WATT 2.       ARRANGE DECREASING ORDER OF REACTIVE INDEX OF WATER ,AIR , GLASS AND DIAMOND A.      WATER >AIR >GLASS >  DIAMOND B.      WATER>GLASS >AIR > DIAMOND C.      DIAMOND > GLASS>WATER>AIR D.       DIAMOND >WATER> GLASS>AIR 3.       AN OBJECT 25 CM HIGH IS PLACED IN FRONT OF A CONVEX LENS OF FOCAL LENGTH 30 CM .IF THE HEIGHT OF IM...

please comments your answers  NEXT TOPPER INSTITUTE WILL GIVE YOU ANSWERS  1. Human being are  a. omnivorous          b herbivorous           c. carnivorous     d. autotrophic  2. Gastric juice is  a. acidic                    b .alkaline                 c. neutral             d. slightly alkaline  3. Bile is produced and serrated by  a. gall blander         b pancreas                 c. spleen               d. liver  4. The main function of intestine villi is     a. stimulate peristalsis      b. prevent anti peristalsis       c. provide large surface area for absorption    ...

NEXT TOP PER INSTITUTE Dpp current questions 1.      1.  How many electrons per second flow through the cross sectional of a conductor so that the conductor carries a current of 1 ampere? a.      6.00 x 10 16 /sec       b.       6.00 x 10 17 /sec          c.        6.00 x 10 19 /sec     d.  6.25 x 10 18 /sec .       2.     2.   In a discharge tube the number of hydrogen ions drifting across a cross section per second is 1.0 X 10 18 , while the number of electrons drifting in opposite direction across that of cross section is 2.7 x 10 18  per second . calculate the total current crossing the given cross section . a.        0.6 A                        ...

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NEXT TOPPER INSTITUTE Jind Haryana                                                                       working of heart if you want notes and full video then comments   OBJECTIVE QUESTIONS ON TRANSPORTATION  1. The smallest blood vessel in the body is  a.  capillary                b. artery                    c. vein                       d  vena cava  2. Arteries carry oxygenated blood except : a. pulmonary            b. cardiac                  c. hepatic                  d. systemic  3. Four chambere...

Next topper institute chapter 6 biology   1. The mirror forms a virtual image of a real object. a. convex mirror     b. concave mirror     c. both a&b    d. none of these    2. The angle of incidence is the angle between  a. the incident ray and the surface of the mirror  b. the reflected ray and the surface of the mirror  c. the normal to the surface and the incident ray  d. none of these  3. The angle of reflection is the angle angle between  a. the incident ray and the surface of the mirror  b. the reflected ray and the surface of the mirror  c. the normal to the surface and the incident ray  d. the normal to the surface and the reflected ray    4. f=R/2 is valid for  a. convex mirror  b. concave mirror  c. a&b both  d none of these  5. A ray of light is incident on a concave mirror . If  it is parallel to the principal axis the reflected...

NEXT TOPPER INSTITUTE  LIFE PROCESS : The process which maintain body function and necessary for survival are called life process. or  All the processes which together keep the living organisms alive and perform task to maintains the body are called life processes.   NUTRITION                  :  FOOD ,PROTEIN  RESPIRATION                :  BREATHING  TRANSPORTATION      : TRANSFER  OF FOOD  EXCRETION                  :  THROUGH  ANUS  Nutrition :   THE PROCESS OF TAKING NUTRIENTS FROM FOOD IS CALLED NUTRITION  EX: WATER ,VITAMINS ,MINERALS ,CARBOHYDRATES ,FATS ETC  TYPES OF NUTRITION : THERE ARE TWO TYPES OF NUTRITION  1. AUTOTROPHIC NUTRITION  2. HETEROTROPHIC NUTRITION  1. AUTOTROPHIC NUTRITION :               ...

video  link for introduction of electrostatics   https://youtu.be/w-IPgPOa7Uo 1 .  Four electric charges  + q , + q , − q   and   − q   are placed at the corners of a square of side   2 L   (see figure). The electric potential at point A, midway between the two charges   + q   and   + q , is      1.    2. 3. 4.zero    2. In a region, the potential is represented by  V ( x , y , z ) = 6 x − 8 x y − 8 y + 6 y z , where V is in volts and x, y, z are in meters. The electric force experienced by a charge of 2 coulomb situated at point (1, 1,1) is : A . 6 5 ​ N B . 3 0 N C . 2 4 N D . 4 3 N 3.  The diagrams below show regions of equipotentials. A positive charge is moved from A to b in each diagram. A . Maximum work is required to move  q  in figure (b) B . Maximum work is required to move  q  in figure(c) C . In all the case...