English, Physics, Mathematics Worksheet With Answers Page 5
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11A&at d` v yamaana ko ek pdaqa- pr 70N ka bala kaya- kr ]sao 20 maI p` i t vaga- sao k ND ka %varNa do t a hO . vastu ka
Q7.
d` v yamaana hO ________.
2
A force of 70N gives an object of unknown mass an acceleration of 20m/s
.
The mass of unknown object is________.
(A) 7 Kg
(B) 0.3 Kg
(C) 3.5 Kg
(D) 35 Kg
Ans : C
jaInar Dayaao D ka ]pyaao g a ikyaa jaata hO :
Q8.
Zener- diode is used as :
(A) ek p` v aQa- k /An amplifier
(B) ek idYTkarI ko $p mao M /An rectifier
(C) ek dao l ana karI ko $p mao M /An oscillator
(D) ek ivaBava inayaM ~ k ko $p mao M /A Voltage regulator
Ans : D
50 maao D , a o M kI ek ku N DlaI sao cau m bakIya fla@sa 0.05 vao b ar p` i t sao k ND kI dr sao baZ, t a hO . ku u N DlaI ko isarao M ko
Q9.
maQya ]%pnna ivaVu t vaahk bala iktnaa hO .
The magnetic flux through a 50- turn coil increase at the rate of 0.05 Wb/s.
What is the induced emf between the ends of the coil?
(A) 2.5V
(B) 5V
(C) 3V
(D) 7V
Ans : A
Q10. ek To i laskao p ko AiBadR S yak kI fao k sa dU r I 60 sao maI hO tao 20 ka AavaQa- n a paanao ko ilea nao i ~ka kI fao k sa dU r I
iktnaI hao n aI caaihe.
The focal length of objective of a telescope is 60 c.m. To obtain a
magnification of 20, the focal length of the eye-piece should be
(A) 2cm
(B) 5cm
(C) 4cm
(D) 3cm
Ans : D
Q11. inamna mao M sao kaO n a saI vyau % pnna [ka[- hO .
Which of the following is a derived unit?
(A) d` v yamaana/ / Mass
(B) lambaa[- / / Length
(C) samaya/Time
(D)vao g a /Velocity
Ans : D
Q12. prmaaNau bama
ko isaWant pr AaQaairt hO .
Atomic bomb is based on the principle of
(A) naaiBakIya ibaKM D na /Nuclear Fission
(B) naaiBakIya saM l ayana
Nuclear Fusion
/
(C) naaiBakIya saM k ` m aNa
Nuclear Transition (D) ro i Dyaao ]%saja- n a
Radio Emission
/
/
Ans: A
Q13. ek BaarhIna rbaD, ko gau b baaro mao M 100 ga` a ma jala hO . jala mao M ]saka vajana hao g aa.
A weightless rubber balloon has 100gm of water in it. Its weight in water will
be
(D) SaU n ya/Zero
(A) 100gm
(B) 200gm
(C) 50gm
Ans : D
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