WorksheetsDay 4
Total questions: 30
Worksheet time: 20mins
Name
Class
Date
1.
Newton’s rings are formed due to:
a)
Reflection of light
b)
Polarization of light
c)
Interference of light
d)
Diffraction of light
2.
When Newton’s rings interference is seen by mean of reflected light, the central spot is:
a)
Dark
b)
Bright
c)
Blue
d)
Red
3.
Michelson interferometer can be used to find the:
a)
Wavelength of light
b)
Wavelength of sound
c)
Velocity of sound
d)
Velocity of light
4.
Michelson interferometer is based on the principle of:
a)
Division of wavefronts
b)
Division of amplitude
c)
Addition of amplitude
d)
None of these
5.
When one mirror of a Michelson interferometer moves a distance of 0.5mm, 2000 fringes are observed, the wavelength of light used is:
a)
2000 A°
b)
1000cm
c)
5000 A°
d)
None of these
6.
They told us that they had waited at the station for a long time.
a)
a) They told us, “We had been waiting at the station for a long time”.
b)
b) They told us, “We are waiting at the station for a long time”.
c)
c) They told us, “We wait at the station for a long time.”
d)
d) They told us, “We waited at the station for a long time”.
7.
He told Pawan that they should have tried harder.
a)
a) He said, “Pawan you should have tried harder.”
b)
b) He said, “Pawan, Don’t you think we should have tried harder.”
c)
c) He said, “Pawan, we had tried harder.”
d)
d) He said to Pawan, “We should have tried harder.”
8.
The boss said to him, “Please tell me what the old man said today.”
a)
a) The boss requested him to tell him what the old man had said today.
b)
b) The boss requested him to tell him what the old man said that day.
c)
c) The boss requested him to tell him what the old man said today
d)
d) The boss requested him to tell him what the old man had said that day.
9.
The teacher said, “Tell me students, what have you learnt from the lectures this week?”
a)
a) The teacher asked the students to tell him what they learnt from the lectures that week.
b)
b) The teacher wanted to know what the students learnt from the lectures that week.
c)
c) The teacher asked the students to tell him what they had learnt from the lectures that week.
d)
d) The teacher asked the students what they learnt from the lectures that week.
10.
I said to you, “He should not be trusted.”
a)
a) I told you that he cannot be trusted.
b)
b) I told you he shall not be trusted.
c)
c) I told you that he should not be trusted.
d)
d) I said to you do not trust him.
11.
The best alternative term for the velocity of reaction is
a)
Rate of Appearance
b)
Rate of Disappearance
c)
Average Rate
d)
Instantaneous Rate
12.
In the reaction 2SO3 → 2SO2 + O2, the rate law of the decomposition of SO3 is R = K[SO3]². The rate if concentration of SO3 is doubled:
a)
Increases 2 times
b)
Increases 4 times
c)
Becomes Halved
d)
Becomes One Fourth
13.
Rate constant of a reaction is affected by
a)
Conc. of reactants
b)
Conc. of products
c)
Reaction Time
d)
Temperature
14.
The purpose of using a catalyst in a reaction is to change
a)
Activation Energy
b)
Equilibrium Constant
c)
Enthalpy of Reaction
d)
Nature of Reaction
15.
Choose the BEST suitable option for this MCQ: A wooden match stick will glow much brighter in air than it will glow in a cylinder full of Oxygen gas
a)
Yes
b)
No
c)
The above statement is inverse of actual scenario
d)
Temperature
16.
ارکان رکن کی جمع ہے جس کے معنی _________ ہیں۔
a)
شناخت
b)
ستون
c)
طاقت
d)
عبادت
17.
_________ ایسی چیز کو کہتے ہیں جس پر کسی عمارت کے قائم رہنے کا دارومدار ہو۔
a)
رکن
b)
مینار
c)
عبادت
d)
چھت
18.
أس سے مراد دین کے وہ بنیادی اصول و اعمال ہیں جن پر اسلام کی پوری عمارت قائم ہے
a)
نماز
b)
ارکان اسلام
c)
قرآن
d)
عبادت
19.
اسلام کی عمارت ________ستونوں پر اٹھائی گئی ہے۔
a)
تین
b)
چھ
c)
بارہ
d)
پانچ
20.
اسلام کے بنیادی عقائد ________ ہیں۔
a)
تین
b)
پانچ
c)
سات
d)
دو
21.
An ordered formed according to definite rule is called
a)
Sequence
b)
series
c)
Matrix
d)
determinant
22.
The sequence which repeats it self is known as
a)
harmonic
b)
Factorial
c)
Pascal
d)
Geometric
23.
Pascal sequence is the type of which sequence
a)
harmonic
b)
Factorial
c)
Triangular
d)
Geometric
24.
The sequence which is formed by adding a fix number is known as
a)
harmonic
b)
Geometric
c)
Triangular
d)
Arithmatic
25.
Find the number of term if a = 3, d = 7 and last term is 59
a)
9
b)
11
c)
12
d)
15
26.
ہندوستان کا دل کہلاتی تھی:
a)
مسجد
b)
بادشاہی
c)
دلی
d)
رنگینی
27.
نصاب میں شامل شاہ عبد الطیف کے سندھی کلام کا ترجمہ انہوں نے اردو میں کیا:
a)
اتفاق حسین
b)
اشفاق علی
c)
آفاق صدیقی
d)
آفاق احمد
28.
شاملِ نصاب ابنِ انشاء کی تحریر:
a)
بیگم کی بلی
b)
مجبوریاں
c)
ایک انار و صد بیمار
d)
تن بہ تقدیر
29.
نظم ’داستان تیاری میں باغ کی‘ منتخب کی گئی ہے:
a)
حیات البیان
b)
خوش بیان
c)
باغ روز
d)
سحر البیان
30.
ابو ظفر بہادر شاہ کے بھائی تھے:
a)
ندیم
b)
مرزا صاحب
c)
مرزا سلیم بہادر
d)
مرزا شہ رہز
100 %
